Mercurial > octave-nkf
annotate scripts/plot/draw/stairs.m @ 19627:446c46af4b42 stable
strip trailing whitespace from most source files
* Makefile.am, NEWS, build-aux/common.mk, configure.ac,
doc/Makefile.am, doc/doxyhtml/Makefile.am,
doc/interpreter/Makefile.am, doc/interpreter/arith.txi,
doc/interpreter/audio.txi, doc/interpreter/basics.txi,
doc/interpreter/bugs.txi, doc/interpreter/container.txi,
doc/interpreter/cp-idx.txi, doc/interpreter/data.txi,
doc/interpreter/debug.txi, doc/interpreter/diagperm.txi,
doc/interpreter/diffeq.txi, doc/interpreter/doccheck/README,
doc/interpreter/doccheck/spellcheck, doc/interpreter/emacs.txi,
doc/interpreter/errors.txi, doc/interpreter/eval.txi,
doc/interpreter/expr.txi, doc/interpreter/external.txi,
doc/interpreter/fn-idx.txi, doc/interpreter/func.txi,
doc/interpreter/geometry.txi, doc/interpreter/geometryimages.m,
doc/interpreter/gpl.txi, doc/interpreter/grammar.txi,
doc/interpreter/gui.txi, doc/interpreter/image.txi,
doc/interpreter/install.txi, doc/interpreter/interp.txi,
doc/interpreter/interpimages.m, doc/interpreter/intro.txi,
doc/interpreter/io.txi, doc/interpreter/java.txi,
doc/interpreter/linalg.txi, doc/interpreter/macros.texi,
doc/interpreter/matrix.txi, doc/interpreter/munge-texi.pl,
doc/interpreter/nonlin.txi, doc/interpreter/numbers.txi,
doc/interpreter/obsolete.txi, doc/interpreter/octave-config.1,
doc/interpreter/octave.texi, doc/interpreter/oop.txi,
doc/interpreter/op-idx.txi, doc/interpreter/optim.txi,
doc/interpreter/package.txi, doc/interpreter/plot.txi,
doc/interpreter/poly.txi, doc/interpreter/preface.txi,
doc/interpreter/quad.txi, doc/interpreter/set.txi,
doc/interpreter/signal.txi, doc/interpreter/sparse.txi,
doc/interpreter/sparseimages.m, doc/interpreter/splineimages.m,
doc/interpreter/stats.txi, doc/interpreter/stmt.txi,
doc/interpreter/strings.txi, doc/interpreter/system.txi,
doc/interpreter/testfun.txi, doc/interpreter/tips.txi,
doc/interpreter/var.txi, doc/interpreter/vectorize.txi,
doc/liboctave/Makefile.am, doc/liboctave/array.texi,
doc/liboctave/bugs.texi, doc/liboctave/cp-idx.texi,
doc/liboctave/dae.texi, doc/liboctave/diffeq.texi,
doc/liboctave/error.texi, doc/liboctave/factor.texi,
doc/liboctave/fn-idx.texi, doc/liboctave/gpl.texi,
doc/liboctave/install.texi, doc/liboctave/intro.texi,
doc/liboctave/liboctave.texi, doc/liboctave/matvec.texi,
doc/liboctave/nleqn.texi, doc/liboctave/nlfunc.texi,
doc/liboctave/ode.texi, doc/liboctave/optim.texi,
doc/liboctave/preface.texi, doc/liboctave/quad.texi,
doc/liboctave/range.texi, doc/refcard/Makefile.am,
doc/refcard/refcard.tex, etc/HACKING, etc/NEWS.1, etc/NEWS.2,
etc/NEWS.3, etc/OLD-ChangeLogs/ChangeLog,
etc/OLD-ChangeLogs/doc-ChangeLog,
etc/OLD-ChangeLogs/scripts-ChangeLog,
etc/OLD-ChangeLogs/src-ChangeLog, etc/OLD-ChangeLogs/test-ChangeLog,
etc/PROJECTS, etc/README.Cygwin, etc/README.MacOS, etc/README.MinGW,
etc/README.gnuplot, etc/gdbinit, etc/icons/Makefile.am,
examples/@polynomial/end.m, examples/@polynomial/subsasgn.m,
examples/Makefile.am, examples/standalonebuiltin.cc,
libgui/Makefile.am, libgui/qterminal/libqterminal/README,
libgui/qterminal/libqterminal/unix/BlockArray.cpp,
libgui/qterminal/libqterminal/unix/BlockArray.h,
libgui/qterminal/libqterminal/unix/Character.h,
libgui/qterminal/libqterminal/unix/CharacterColor.h,
libgui/qterminal/libqterminal/unix/Emulation.cpp,
libgui/qterminal/libqterminal/unix/Emulation.h,
libgui/qterminal/libqterminal/unix/Filter.cpp,
libgui/qterminal/libqterminal/unix/Filter.h,
libgui/qterminal/libqterminal/unix/History.cpp,
libgui/qterminal/libqterminal/unix/History.h,
libgui/qterminal/libqterminal/unix/KeyboardTranslator.cpp,
libgui/qterminal/libqterminal/unix/KeyboardTranslator.h,
libgui/qterminal/libqterminal/unix/LineFont.h,
libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.cpp,
libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.h,
libgui/qterminal/libqterminal/unix/Screen.cpp,
libgui/qterminal/libqterminal/unix/Screen.h,
libgui/qterminal/libqterminal/unix/ScreenWindow.cpp,
libgui/qterminal/libqterminal/unix/ScreenWindow.h,
libgui/qterminal/libqterminal/unix/TerminalCharacterDecoder.cpp,
libgui/qterminal/libqterminal/unix/TerminalCharacterDecoder.h,
libgui/qterminal/libqterminal/unix/Vt102Emulation.h,
libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp,
libgui/qterminal/qterminal/main.cpp,
libgui/src/m-editor/file-editor-tab.cc, libgui/src/octave-gui.cc,
libgui/src/octave-qt-link.cc, libinterp/corefcn/data.cc,
libinterp/corefcn/defun-int.h, libinterp/corefcn/det.cc,
libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/graphics.cc,
libinterp/corefcn/graphics.in.h, libinterp/corefcn/ls-mat5.cc,
libinterp/corefcn/lu.cc, libinterp/corefcn/oct-tex-parser.yy,
libinterp/corefcn/oct-tex-symbols.in, libinterp/corefcn/quadcc.cc,
libinterp/corefcn/zfstream.cc, libinterp/dldfcn/__eigs__.cc,
libinterp/dldfcn/__voronoi__.cc, libinterp/gendoc.pl,
libinterp/genprops.awk, libinterp/mk-errno-list, libinterp/mk-pkg-add,
libinterp/mkbuiltins, libinterp/mkdefs, libinterp/mkdocs,
libinterp/mkops, libinterp/octave-value/ov-java.cc,
libinterp/parse-tree/lex.ll, libinterp/parse-tree/oct-parse.in.yy,
libinterp/parse-tree/octave.gperf, liboctave/Makefile.am,
liboctave/array/Array.cc, liboctave/array/module.mk,
liboctave/cruft/daspk/datv.f, liboctave/cruft/daspk/dcnst0.f,
liboctave/cruft/daspk/dcnstr.f, liboctave/cruft/daspk/ddasic.f,
liboctave/cruft/daspk/ddasid.f, liboctave/cruft/daspk/ddasik.f,
liboctave/cruft/daspk/ddaspk.f, liboctave/cruft/daspk/ddstp.f,
liboctave/cruft/daspk/ddwnrm.f, liboctave/cruft/daspk/dfnrmd.f,
liboctave/cruft/daspk/dfnrmk.f, liboctave/cruft/daspk/dhels.f,
liboctave/cruft/daspk/dheqr.f, liboctave/cruft/daspk/dinvwt.f,
liboctave/cruft/daspk/dlinsd.f, liboctave/cruft/daspk/dlinsk.f,
liboctave/cruft/daspk/dmatd.f, liboctave/cruft/daspk/dnedd.f,
liboctave/cruft/daspk/dnedk.f, liboctave/cruft/daspk/dnsd.f,
liboctave/cruft/daspk/dnsid.f, liboctave/cruft/daspk/dnsik.f,
liboctave/cruft/daspk/dnsk.f, liboctave/cruft/daspk/dorth.f,
liboctave/cruft/daspk/dslvd.f, liboctave/cruft/daspk/dslvk.f,
liboctave/cruft/daspk/dspigm.f, liboctave/cruft/daspk/dyypnw.f,
liboctave/cruft/dasrt/ddasrt.f, liboctave/cruft/dasrt/drchek.f,
liboctave/cruft/dassl/ddaslv.f, liboctave/cruft/dassl/ddassl.f,
liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/module.mk,
liboctave/cruft/odepack/cfode.f, liboctave/cruft/odepack/dlsode.f,
liboctave/cruft/odepack/ewset.f, liboctave/cruft/odepack/intdy.f,
liboctave/cruft/odepack/prepj.f, liboctave/cruft/odepack/sintdy.f,
liboctave/cruft/odepack/slsode.f, liboctave/cruft/odepack/solsy.f,
liboctave/cruft/odepack/ssolsy.f, liboctave/cruft/odepack/stode.f,
liboctave/cruft/odepack/vnorm.f, liboctave/cruft/ranlib/Basegen.doc,
liboctave/cruft/ranlib/README, liboctave/cruft/ranlib/genbet.f,
liboctave/cruft/ranlib/genexp.f, liboctave/cruft/ranlib/gennch.f,
liboctave/cruft/ranlib/gennf.f, liboctave/cruft/ranlib/gennor.f,
liboctave/cruft/ranlib/getsd.f, liboctave/cruft/ranlib/initgn.f,
liboctave/cruft/ranlib/phrtsd.f, liboctave/cruft/ranlib/randlib.fdoc,
liboctave/cruft/ranlib/setsd.f, liboctave/cruft/ranlib/tstgmn.for,
liboctave/cruft/ranlib/tstmid.for, liboctave/cruft/slatec-fn/atanh.f,
liboctave/cruft/slatec-fn/datanh.f,
liboctave/cruft/slatec-fn/xgmainc.f,
liboctave/cruft/slatec-fn/xsgmainc.f, liboctave/numeric/module.mk,
liboctave/operators/mk-ops.awk, liboctave/operators/mx-ops,
liboctave/operators/sparse-mk-ops.awk,
liboctave/operators/sparse-mx-ops, liboctave/operators/vx-ops,
liboctave/util/module.mk, run-octave.in, scripts/@ftp/ftp.m,
scripts/audio/wavread.m, scripts/deprecated/java_convert_matrix.m,
scripts/deprecated/java_debug.m, scripts/deprecated/java_invoke.m,
scripts/deprecated/java_new.m,
scripts/deprecated/java_unsigned_conversion.m,
scripts/deprecated/javafields.m, scripts/deprecated/javamethods.m,
scripts/deprecated/shell_cmd.m, scripts/general/accumarray.m,
scripts/general/display.m, scripts/general/fieldnames.m,
scripts/general/interp1.m, scripts/general/interp2.m,
scripts/general/interp3.m, scripts/general/isa.m,
scripts/general/methods.m, scripts/general/sortrows.m,
scripts/geometry/convhull.m, scripts/geometry/delaunay.m,
scripts/geometry/delaunay3.m, scripts/geometry/delaunayn.m,
scripts/geometry/griddata.m, scripts/geometry/griddatan.m,
scripts/geometry/voronoi.m, scripts/geometry/voronoin.m,
scripts/gui/guihandles.m, scripts/gui/inputdlg.m,
scripts/gui/listdlg.m, scripts/gui/msgbox.m, scripts/gui/questdlg.m,
scripts/gui/uigetfile.m, scripts/gui/waitbar.m, scripts/gui/warndlg.m,
scripts/help/doc.m, scripts/help/help.m, scripts/help/type.m,
scripts/image/bone.m, scripts/image/cmpermute.m,
scripts/image/cmunique.m, scripts/image/colorcube.m,
scripts/image/colormap.m, scripts/image/contrast.m,
scripts/image/gray2ind.m, scripts/image/image.m,
scripts/image/imshow.m, scripts/image/ind2gray.m, scripts/image/jet.m,
scripts/image/rgb2ntsc.m, scripts/image/spinmap.m,
scripts/io/importdata.m, scripts/io/strread.m, scripts/io/textread.m,
scripts/io/textscan.m, scripts/java/java_get.m,
scripts/java/java_set.m, scripts/java/javaaddpath.m,
scripts/java/javaclasspath.m, scripts/java/javamem.m,
scripts/linear-algebra/linsolve.m, scripts/linear-algebra/qzhess.m,
scripts/miscellaneous/debug.m, scripts/miscellaneous/desktop.m,
scripts/miscellaneous/dir.m, scripts/miscellaneous/dos.m,
scripts/miscellaneous/edit.m, scripts/miscellaneous/fact.m,
scripts/miscellaneous/getappdata.m, scripts/miscellaneous/inputname.m,
scripts/miscellaneous/license.m, scripts/miscellaneous/ls_command.m,
scripts/miscellaneous/run.m, scripts/miscellaneous/setfield.m,
scripts/miscellaneous/unix.m, scripts/miscellaneous/ver.m,
scripts/mk-pkg-add, scripts/mkdoc.pl,
scripts/optimization/fminsearch.m, scripts/optimization/optimset.m,
scripts/optimization/sqp.m, scripts/pkg/pkg.m,
scripts/pkg/private/create_pkgadddel.m,
scripts/pkg/private/fix_depends.m, scripts/pkg/private/install.m,
scripts/plot/appearance/axis.m, scripts/plot/appearance/box.m,
scripts/plot/appearance/clabel.m, scripts/plot/appearance/daspect.m,
scripts/plot/appearance/datetick.m, scripts/plot/appearance/grid.m,
scripts/plot/appearance/legend.m, scripts/plot/appearance/orient.m,
scripts/plot/appearance/shading.m, scripts/plot/appearance/text.m,
scripts/plot/appearance/title.m, scripts/plot/appearance/xlabel.m,
scripts/plot/appearance/ylabel.m, scripts/plot/appearance/zlabel.m,
scripts/plot/draw/area.m, scripts/plot/draw/bar.m,
scripts/plot/draw/barh.m, scripts/plot/draw/colorbar.m,
scripts/plot/draw/contour.m, scripts/plot/draw/contour3.m,
scripts/plot/draw/contourf.m, scripts/plot/draw/ellipsoid.m,
scripts/plot/draw/errorbar.m, scripts/plot/draw/ezcontour.m,
scripts/plot/draw/ezcontourf.m, scripts/plot/draw/ezmesh.m,
scripts/plot/draw/ezpolar.m, scripts/plot/draw/fill.m,
scripts/plot/draw/fplot.m, scripts/plot/draw/hist.m,
scripts/plot/draw/meshc.m, scripts/plot/draw/meshz.m,
scripts/plot/draw/pareto.m, scripts/plot/draw/patch.m,
scripts/plot/draw/peaks.m, scripts/plot/draw/pie.m,
scripts/plot/draw/pie3.m, scripts/plot/draw/plot.m,
scripts/plot/draw/plotyy.m, scripts/plot/draw/private/__bar__.m,
scripts/plot/draw/private/__contour__.m,
scripts/plot/draw/private/__errplot__.m,
scripts/plot/draw/private/__ezplot__.m,
scripts/plot/draw/private/__patch__.m,
scripts/plot/draw/private/__stem__.m, scripts/plot/draw/rectangle.m,
scripts/plot/draw/ribbon.m, scripts/plot/draw/rose.m,
scripts/plot/draw/scatter.m, scripts/plot/draw/scatter3.m,
scripts/plot/draw/semilogx.m, scripts/plot/draw/shrinkfaces.m,
scripts/plot/draw/sombrero.m, scripts/plot/draw/sphere.m,
scripts/plot/draw/stairs.m, scripts/plot/draw/stem.m,
scripts/plot/draw/stemleaf.m, scripts/plot/draw/surf.m,
scripts/plot/draw/surface.m, scripts/plot/draw/surfc.m,
scripts/plot/draw/surfl.m, scripts/plot/draw/surfnorm.m,
scripts/plot/draw/tetramesh.m, scripts/plot/draw/trimesh.m,
scripts/plot/draw/triplot.m, scripts/plot/draw/trisurf.m,
scripts/plot/util/__gnuplot_drawnow__.m,
scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/axes.m,
scripts/plot/util/clf.m, scripts/plot/util/copyobj.m,
scripts/plot/util/figure.m, scripts/plot/util/gcbo.m,
scripts/plot/util/graphics_toolkit.m, scripts/plot/util/hggroup.m,
scripts/plot/util/meshgrid.m, scripts/plot/util/newplot.m,
scripts/plot/util/print.m,
scripts/plot/util/private/__add_default_menu__.m,
scripts/plot/util/private/__fltk_print__.m,
scripts/plot/util/private/__gnuplot_print__.m,
scripts/plot/util/private/__print_parse_opts__.m,
scripts/plot/util/refreshdata.m, scripts/plot/util/subplot.m,
scripts/polynomial/conv.m, scripts/polynomial/poly.m,
scripts/polynomial/polyeig.m, scripts/polynomial/polyfit.m,
scripts/polynomial/polyval.m,
scripts/polynomial/private/__splinefit__.m,
scripts/polynomial/spline.m, scripts/prefs/prefdir.m,
scripts/prefs/preferences.m, scripts/prefs/private/prefsfile.m,
scripts/prefs/rmpref.m, scripts/signal/freqz.m,
scripts/signal/module.mk, scripts/sparse/eigs.m, scripts/sparse/pcg.m,
scripts/sparse/private/__sprand_impl__.m, scripts/sparse/sprand.m,
scripts/sparse/sprandn.m, scripts/sparse/spy.m, scripts/sparse/svds.m,
scripts/specfun/expint.m, scripts/specfun/factor.m,
scripts/special-matrix/gallery.m, scripts/special-matrix/hankel.m,
scripts/special-matrix/toeplitz.m, scripts/startup/inputrc,
scripts/statistics/base/kurtosis.m, scripts/statistics/base/moment.m,
scripts/statistics/base/qqplot.m, scripts/statistics/base/var.m,
scripts/statistics/distributions/betarnd.m,
scripts/statistics/distributions/binoinv.m,
scripts/statistics/distributions/binopdf.m,
scripts/statistics/distributions/binornd.m,
scripts/statistics/distributions/cauchy_rnd.m,
scripts/statistics/distributions/chi2rnd.m,
scripts/statistics/distributions/discrete_pdf.m,
scripts/statistics/distributions/discrete_rnd.m,
scripts/statistics/distributions/empirical_rnd.m,
scripts/statistics/distributions/exprnd.m,
scripts/statistics/distributions/frnd.m,
scripts/statistics/distributions/gamrnd.m,
scripts/statistics/distributions/geornd.m,
scripts/statistics/distributions/hygernd.m,
scripts/statistics/distributions/kolmogorov_smirnov_cdf.m,
scripts/statistics/distributions/laplace_cdf.m,
scripts/statistics/distributions/laplace_pdf.m,
scripts/statistics/distributions/logistic_cdf.m,
scripts/statistics/distributions/logistic_pdf.m,
scripts/statistics/distributions/lognrnd.m,
scripts/statistics/distributions/nbincdf.m,
scripts/statistics/distributions/nbininv.m,
scripts/statistics/distributions/nbinpdf.m,
scripts/statistics/distributions/nbinrnd.m,
scripts/statistics/distributions/normrnd.m,
scripts/statistics/distributions/poissinv.m,
scripts/statistics/distributions/poissrnd.m,
scripts/statistics/distributions/tinv.m,
scripts/statistics/distributions/trnd.m,
scripts/statistics/distributions/unidcdf.m,
scripts/statistics/distributions/unidpdf.m,
scripts/statistics/distributions/unidrnd.m,
scripts/statistics/distributions/unifrnd.m,
scripts/statistics/distributions/wblrnd.m,
scripts/statistics/models/module.mk,
scripts/statistics/tests/kruskal_wallis_test.m,
scripts/strings/base2dec.m, scripts/strings/deblank.m,
scripts/strings/dec2base.m, scripts/strings/dec2bin.m,
scripts/strings/dec2hex.m, scripts/strings/mat2str.m,
scripts/strings/ostrsplit.m, scripts/strings/regexptranslate.m,
scripts/strings/str2num.m, scripts/strings/strcat.m,
scripts/strings/strjoin.m, scripts/strings/strsplit.m,
scripts/strings/strtok.m, scripts/strings/strtrim.m,
scripts/strings/strtrunc.m, scripts/strings/substr.m,
scripts/testfun/__run_test_suite__.m, scripts/testfun/speed.m,
scripts/testfun/test.m, scripts/time/asctime.m,
scripts/time/datenum.m, scripts/time/datevec.m,
scripts/time/weekday.m, src/Makefile.am, test/Makefile.am,
test/build-bc-overload-tests.sh, test/build-sparse-tests.sh,
test/jit.tst, test/line-continue.tst: Strip trailing whitespace.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 20 Jan 2015 08:26:57 -0500 |
| parents | d63878346099 |
| children | 4197fc428c7d |
| rev | line source |
|---|---|
|
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1 ## Copyright (C) 1993-2013 John W. Eaton |
| 2313 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 2313 | 9 ## |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 245 | 18 |
| 3368 | 19 ## -*- texinfo -*- |
|
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20 ## @deftypefn {Function File} {} stairs (@var{y}) |
|
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21 ## @deftypefnx {Function File} {} stairs (@var{x}, @var{y}) |
|
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22 ## @deftypefnx {Function File} {} stairs (@dots{}, @var{style}) |
|
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23 ## @deftypefnx {Function File} {} stairs (@dots{}, @var{prop}, @var{val}, @dots{}) |
|
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24 ## @deftypefnx {Function File} {} stairs (@var{hax}, @dots{}) |
|
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25 ## @deftypefnx {Function File} {@var{h} =} stairs (@dots{}) |
|
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26 ## @deftypefnx {Function File} {[@var{xstep}, @var{ystep}] =} stairs (@dots{}) |
|
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27 ## Produce a stairstep plot. |
| 3426 | 28 ## |
|
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29 ## The arguments @var{x} and @var{y} may be vectors or matrices. |
|
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30 ## If only one argument is given, it is taken as a vector of Y values |
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31 ## and the X coordinates are taken to be the indices of the elements. |
|
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32 ## |
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33 ## The style to use for the plot can be defined with a line style @var{style} |
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34 ## of the same format as the @code{plot} command. |
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35 ## |
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36 ## Multiple property/value pairs may be specified, but they must appear in |
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37 ## pairs. |
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38 ## |
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39 ## If the first argument @var{hax} is an axis handle, then plot into this axis, |
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40 ## rather than the current axis handle returned by @code{gca}. |
| 3426 | 41 ## |
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42 ## If one output argument is requested, return a graphics handle to the |
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43 ## created plot. If two output arguments are specified, the data are generated |
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44 ## but not plotted. For example, |
| 3426 | 45 ## |
| 3368 | 46 ## @example |
| 47 ## stairs (x, y); | |
| 48 ## @end example | |
| 3426 | 49 ## |
| 3368 | 50 ## @noindent |
| 2311 | 51 ## and |
| 3426 | 52 ## |
| 3368 | 53 ## @example |
| 6895 | 54 ## @group |
| 3368 | 55 ## [xs, ys] = stairs (x, y); |
| 56 ## plot (xs, ys); | |
| 6895 | 57 ## @end group |
| 3368 | 58 ## @end example |
| 3426 | 59 ## |
| 3368 | 60 ## @noindent |
| 2311 | 61 ## are equivalent. |
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62 ## @seealso{bar, hist, plot, stem} |
| 3368 | 63 ## @end deftypefn |
| 4 | 64 |
| 2314 | 65 ## Author: jwe |
| 66 | |
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67 function [xs, ys] = stairs (varargin) |
| 4 | 68 |
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69 [hax, varargin, nargin] = __plt_get_axis_arg__ ("stairs", varargin{:}); |
| 4 | 70 |
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71 if (nargin < 1) |
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72 print_usage (); |
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73 endif |
| 17433 | 74 |
| 75 if (nargout < 2) | |
| 76 oldfig = []; | |
| 77 if (! isempty (hax)) | |
| 78 oldfig = get (0, "currentfigure"); | |
| 79 endif | |
| 80 unwind_protect | |
| 81 hax = newplot (hax); | |
| 82 [htmp, xxs, yys] = __stairs__ (true, varargin{:}); | |
| 83 unwind_protect_cleanup | |
| 84 if (! isempty (oldfig)) | |
| 85 set (0, "currentfigure", oldfig); | |
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86 endif |
| 17433 | 87 end_unwind_protect |
| 88 if (nargout == 1) | |
| 89 xs = htmp; | |
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90 endif |
| 17433 | 91 else |
| 92 [~, xs, ys] = __stairs__ (false, varargin{:}); | |
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93 endif |
| 17433 | 94 |
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95 endfunction |
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96 |
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97 function [h, xs, ys] = __stairs__ (doplot, varargin) |
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98 |
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99 if (nargin == 2 || ischar (varargin{2})) |
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100 y = varargin{1}; |
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101 varargin(1) = []; |
| 17433 | 102 if (! ismatrix (y) || ndims (y) > 2) |
| 103 error ("stairs: Y must be a numeric 2-D vector or matrix"); | |
| 4 | 104 endif |
| 17433 | 105 if (isvector (y)) |
| 106 y = y(:); | |
| 107 endif | |
| 108 x = 1:rows (y); | |
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109 else |
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110 x = varargin{1}; |
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111 y = varargin{2}; |
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112 varargin(1:2) = []; |
| 17433 | 113 if (! ismatrix (x) || ! ismatrix (y) || ndims (x) > 2 || ndims (y) > 2) |
| 114 error ("stairs: X and Y must be numeric 2-D vectors or matrices"); | |
| 115 endif | |
| 6257 | 116 endif |
| 117 | |
| 118 vec_x = isvector (x); | |
| 119 if (vec_x) | |
| 120 x = x(:); | |
| 121 endif | |
| 122 | |
| 123 if (isvector (y)) | |
| 124 y = y(:); | |
| 17433 | 125 elseif (ismatrix (y) && vec_x) |
| 126 x = repmat (x, [1, columns(y)]); | |
| 6257 | 127 endif |
| 128 | |
| 17433 | 129 if (! size_equal (x, y)) |
| 130 error ("stairs: X and Y sizes must match"); | |
| 4 | 131 endif |
| 132 | |
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133 [nr, nc] = size (y); |
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134 |
| 6257 | 135 len = 2*nr - 1; |
| 136 | |
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137 xs = ys = zeros (len, nc); |
| 6257 | 138 |
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139 xs(1,:) = x(1,:); |
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140 ys(1,:) = y(1,:); |
| 6257 | 141 |
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142 xtmp = x(2:nr,:); |
| 6257 | 143 ridx = 2:2:len-1; |
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144 xs(ridx,:) = xtmp; |
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145 ys(ridx,:) = y(1:nr-1,:); |
| 6257 | 146 |
| 147 ridx = 3:2:len; | |
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148 xs(ridx,:) = xtmp; |
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149 ys(ridx,:) = y(2:nr,:); |
| 6257 | 150 |
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151 have_line_spec = false; |
| 17433 | 152 for i = 1:2:numel (varargin) |
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153 arg = varargin{i}; |
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154 if (ischar (arg) || iscellstr (arg)) |
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155 [linespec, valid] = __pltopt__ ("stairs", arg, false); |
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156 if (valid) |
| 10549 | 157 have_line_spec = true; |
| 158 varargin(i) = []; | |
| 159 break; | |
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160 endif |
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161 endif |
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162 endfor |
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163 |
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164 if (doplot) |
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165 h = []; |
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166 hold_state = get (gca (), "nextplot"); |
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167 unwind_protect |
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168 for i = 1 : columns (y) |
| 17433 | 169 |
| 170 if (have_line_spec) | |
| 171 lc = linespec.color; | |
| 172 if (isempty (lc)) | |
| 173 lc = __next_line_color__ (); | |
| 174 endif | |
| 175 ls = linespec.linestyle; | |
| 176 if (isempty (ls)) | |
| 177 ls = "-"; | |
| 178 endif | |
| 179 mk = linespec.marker; | |
| 180 if (isempty (mk)) | |
| 181 mk = "none"; | |
| 182 endif | |
| 183 else | |
| 184 lc = __next_line_color__ (); | |
| 185 ls = "-"; | |
| 186 mk = "none"; | |
| 187 endif | |
| 188 | |
| 189 ## Must occur after __next_line_color__ in order to work correctly. | |
| 10549 | 190 hg = hggroup (); |
| 191 h = [h; hg]; | |
| 192 args = __add_datasource__ ("stairs", hg, {"x", "y"}, varargin{:}); | |
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193 |
| 10549 | 194 addproperty ("xdata", hg, "data", x(:,i).'); |
| 195 addproperty ("ydata", hg, "data", y(:,i).'); | |
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196 |
| 10549 | 197 addlistener (hg, "xdata", @update_data); |
| 198 addlistener (hg, "ydata", @update_data); | |
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199 |
| 17433 | 200 htmp = line (xs(:,i).', ys(:,i).', "color", lc, "linestyle", ls, |
| 201 "marker", mk, "parent", hg); | |
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202 |
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203 addproperty ("color", hg, "linecolor", get (htmp, "color")); |
| 17433 | 204 addproperty ("linestyle", hg, "linelinestyle", get (htmp, "linestyle")); |
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205 addproperty ("linewidth", hg, "linelinewidth", get (htmp, "linewidth")); |
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206 |
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207 addproperty ("marker", hg, "linemarker", get (htmp, "marker")); |
| 17433 | 208 addproperty ("markeredgecolor", hg, "linemarkeredgecolor", |
| 209 get (htmp, "markeredgecolor")); | |
| 10549 | 210 addproperty ("markerfacecolor", hg, "linemarkerfacecolor", |
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211 get (htmp, "markerfacecolor")); |
| 10549 | 212 addproperty ("markersize", hg, "linemarkersize", |
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213 get (htmp, "markersize")); |
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214 |
| 10549 | 215 addlistener (hg, "color", @update_props); |
| 17433 | 216 addlistener (hg, "linestyle", @update_props); |
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217 addlistener (hg, "linewidth", @update_props); |
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218 addlistener (hg, "marker", @update_props); |
| 17433 | 219 addlistener (hg, "markeredgecolor", @update_props); |
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220 addlistener (hg, "markerfacecolor", @update_props); |
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221 addlistener (hg, "markersize", @update_props); |
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222 |
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223 ## Matlab property, although Octave does not implement it. |
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224 addproperty ("hittestarea", hg, "radio", "on|{off}", "off"); |
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225 |
| 10549 | 226 if (! isempty (args)) |
| 227 set (hg, args{:}); | |
| 228 endif | |
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229 endfor |
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230 unwind_protect_cleanup |
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231 set (gca (), "nextplot", hold_state); |
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232 end_unwind_protect |
| 736 | 233 else |
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234 h = 0; |
| 4 | 235 endif |
| 236 | |
| 237 endfunction | |
| 7245 | 238 |
| 17433 | 239 function update_props (h, ~) |
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240 set (get (h, "children"), |
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241 {"color", "linestyle", "linewidth", "marker", ... |
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242 "markeredgecolor", "markerfacecolor", "markersize"}, |
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243 get (h, {"color", "linestyle", "linewidth", "marker", ... |
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244 "markeredgecolor", "markerfacecolor", "markersize"})); |
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245 endfunction |
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246 |
| 17433 | 247 function update_data (h, ~) |
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248 x = get (h, "xdata"); |
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249 y = get (h, "ydata"); |
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250 |
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251 sz = min ([size(x); size(y)]); |
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252 x = x(1:sz(1), 1:sz(2)); |
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253 y = y(1:sz(1), 1:sz(2)); |
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254 |
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255 nr = length (x); |
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256 len = 2 * nr - 1; |
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257 xs = ys = zeros (1, len); |
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258 |
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259 xs(1) = x(1); |
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260 ys(1) = y(1); |
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261 |
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262 xtmp = x(2:nr); |
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263 ridx = 2:2:len-1; |
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264 xs(ridx) = xtmp; |
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265 ys(ridx) = y(1:nr-1); |
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266 |
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267 ridx = 3:2:len; |
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268 xs(ridx) = xtmp; |
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269 ys(ridx) = y(2:nr); |
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270 |
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271 set (get (h, "children"), "xdata", xs, "ydata", ys); |
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272 endfunction |
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273 |
| 17433 | 274 |
| 275 %!demo | |
| 276 %! clf; | |
| 277 %! rand_1x10_data1 = [0.073, 0.455, 0.837, 0.124, 0.426, 0.781, 0.004, 0.024, 0.519, 0.698]; | |
| 278 %! y = rand_1x10_data1; | |
| 279 %! stairs (y); | |
| 280 %! title ('stairs() plot of y-data'); | |
| 281 | |
| 282 %!demo | |
| 283 %! clf; | |
| 284 %! x = 1:10; | |
| 285 %! rand_1x10_data2 = [0.014, 0.460, 0.622, 0.394, 0.531, 0.378, 0.466, 0.788, 0.342, 0.893]; | |
| 286 %! y = rand_1x10_data2; | |
| 287 %! [xs, ys] = stairs (x, y); | |
| 288 %! plot (xs, ys); | |
| 289 %! title ('plot() of stairs() generated data'); | |
| 290 | |
| 291 %!demo | |
| 292 %! clf; | |
| 293 %! stairs (1:9, '-o'); | |
| 294 %! title ('stairs() plot with linespec to modify marker'); | |
| 295 | |
| 296 %!demo | |
| 297 %! clf; | |
| 298 %! stairs (9:-1:1, 'marker', 's', 'markersize', 10, 'markerfacecolor', 'm'); | |
| 299 %! title ('stairs() plot with prop/val pairs to modify appearance'); | |
| 300 | |
| 301 %!demo | |
| 302 %! clf; | |
| 303 %! N = 11; | |
| 304 %! x = 0:(N-1); | |
| 305 %! y = rand (1, N); | |
| 306 %! hs = stairs (x(1), y(1)); | |
| 307 %! axis ([1, N-1 0, 1]); | |
| 308 %! title ('stairs plot data modified through handle'); | |
| 309 %! for k = 2:N | |
| 310 %! set (hs, 'xdata', x(1:k), 'ydata', y(1:k)); | |
| 311 %! drawnow (); | |
| 312 %! pause (0.2); | |
| 313 %! end | |
| 314 | |
| 315 ## Invisible figure used for tests | |
| 316 %!shared hf, hax | |
| 317 %! hf = figure ("visible", "off"); | |
| 318 %! hax = axes; | |
| 319 | |
| 320 %!error stairs () | |
| 321 %!error <Y must be a numeric 2-D vector> stairs (hax, {1}) | |
| 322 %!error <Y must be a numeric 2-D vector> stairs (ones (2,2,2)) | |
| 323 %!error <X and Y must be numeric 2-D vector> stairs ({1}, 1) | |
| 324 %!error <X and Y must be numeric 2-D vector> stairs (1, {1}) | |
| 325 %!error <X and Y must be numeric 2-D vector> stairs (ones (2,2,2), 1) | |
| 326 %!error <X and Y must be numeric 2-D vector> stairs (1, ones (2,2,2)) | |
| 327 %!error <X and Y sizes must match> stairs (1:2, 1:3) | |
| 328 | |
| 329 ## Close figure used for testing | |
| 330 %!test | |
| 331 %! close (hf); | |
| 332 |