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view scripts/statistics/distributions/unidcdf.m @ 20955:77f5591878bf
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
* dialog.h, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, file-editor-tab.cc, file-editor.cc, find-dialog.cc,
octave-qscintilla.cc, main-window.cc, parser.cc, resource-manager.cc,
workspace-view.cc, data.cc, dlmread.cc, gl-render.cc, gl2ps-renderer.cc,
graphics.cc, graphics.in.h, ls-hdf5.cc, ls-mat5.cc, ls-oct-binary.cc, lsode.cc,
mappers.cc, pt-jit.cc, regexp.cc, spparms.cc, symtab.h, utils.cc, zfstream.cc,
__eigs__.cc, __glpk__.cc, __init_fltk__.cc, ccolamd.cc, colamd.cc,
ov-base-diag.cc, ov-base-int.cc, ov-base-sparse.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-class.cc, ov-cx-sparse.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-java.cc, ov-perm.cc, ov-re-sparse.cc, ov-str-mat.cc,
ov-struct.cc, ov.cc, pt-mat.cc, Array.cc, Array.h, CMatrix.cc, CSparse.cc,
MatrixType.cc, PermMatrix.cc, Sparse.h, dMatrix.cc, dSparse.cc, fCMatrix.cc,
fMatrix.cc, idx-vector.cc, CollocWt.h, SparseCmplxLU.cc, SparseCmplxQR.cc,
SparseQR.cc, SparsedbleLU.cc, base-qr.cc, eigs-base.cc, oct-fftw.cc,
randmtzig.c, sparse-dmsolve.cc, kpse.cc, lo-regexp.cc, oct-locbuf.h,
url-transfer.cc, url-transfer.h, bitset.m, interp2.m, __isequal__.m,
inpolygon.m, questdlg.m, help.m, compare_versions.m, substruct.m,
configure_make.m, whitebg.m, __marching_cube__.m, struct2hdl.m, polyfit.m,
spline.m, unique.m, svds.m, ellipke.m, binoinv.m, hygepdf.m, nbininv.m,
poissinv.m, tcdf.m, unidcdf.m, unidpdf.m, dec2base.m, assert.m, weekday.m,
mkoctfile.in.cc:
maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 20 Dec 2015 10:15:02 -0800 |
parents | 516bb87ea72e |
children | bac0d6f07a3e |
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## Copyright (C) 2012 Rik Wehbring ## Copyright (C) 2007-2015 David Bateman ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 3 of the License, or (at ## your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {} unidcdf (@var{x}, @var{n}) ## For each element of @var{x}, compute the cumulative distribution function ## (CDF) at @var{x} of a discrete uniform distribution which assumes ## the integer values 1--@var{n} with equal probability. ## @end deftypefn function cdf = unidcdf (x, n) if (nargin != 2) print_usage (); endif if (! isscalar (n)) [retval, x, n] = common_size (x, n); if (retval > 0) error ("unidcdf: X and N must be of common size or scalars"); endif endif if (iscomplex (x) || iscomplex (n)) error ("unidcdf: X and N must not be complex"); endif if (isa (x, "single") || isa (n, "single")) cdf = zeros (size (x), "single"); else cdf = zeros (size (x)); endif knan = isnan (x) | ! (n > 0 & n == fix (n)); if (any (knan(:))) cdf(knan) = NaN; endif k = (x >= n) & ! knan; cdf(k) = 1; k = (x >= 1) & (x < n) & ! knan; if (isscalar (n)) cdf(k) = floor (x(k)) / n; else cdf(k) = floor (x(k)) ./ n(k); endif endfunction %!shared x,y %! x = [0 1 2.5 10 11]; %! y = [0, 0.1 0.2 1.0 1.0]; %!assert (unidcdf (x, 10*ones (1,5)), y) %!assert (unidcdf (x, 10), y) %!assert (unidcdf (x, 10*[0 1 NaN 1 1]), [NaN 0.1 NaN y(4:5)]) %!assert (unidcdf ([x(1:2) NaN Inf x(5)], 10), [y(1:2) NaN 1 y(5)]) ## Test class of input preserved %!assert (unidcdf ([x, NaN], 10), [y, NaN]) %!assert (unidcdf (single ([x, NaN]), 10), single ([y, NaN])) %!assert (unidcdf ([x, NaN], single (10)), single ([y, NaN])) ## Test input validation %!error unidcdf () %!error unidcdf (1) %!error unidcdf (1,2,3) %!error unidcdf (ones (3), ones (2)) %!error unidcdf (ones (2), ones (3)) %!error unidcdf (i, 2) %!error unidcdf (2, i)