annotate scripts/general/blkdiag.m @ 14363:f3d52523cde1

Use Octave coding conventions in all m-file %!test blocks * wavread.m, acosd.m, acot.m, acotd.m, acoth.m, acsc.m, acscd.m, acsch.m, asec.m, asecd.m, asech.m, asind.m, atand.m, cosd.m, cot.m, cotd.m, coth.m, csc.m, cscd.m, csch.m, sec.m, secd.m, sech.m, sind.m, tand.m, accumarray.m, accumdim.m, bitcmp.m, bitget.m, bitset.m, blkdiag.m, cart2pol.m, cart2sph.m, celldisp.m, chop.m, circshift.m, colon.m, common_size.m, cplxpair.m, cumtrapz.m, curl.m, dblquad.m, deal.m, divergence.m, flipdim.m, fliplr.m, flipud.m, genvarname.m, gradient.m, idivide.m, int2str.m, interp1.m, interp1q.m, interp2.m, interp3.m, interpft.m, interpn.m, isa.m, isdir.m, isequal.m, isequalwithequalnans.m, issquare.m, logspace.m, nargchk.m, narginchk.m, nargoutchk.m, nextpow2.m, nthargout.m, num2str.m, pol2cart.m, polyarea.m, postpad.m, prepad.m, profile.m, profshow.m, quadgk.m, quadv.m, randi.m, rat.m, repmat.m, rot90.m, rotdim.m, shift.m, shiftdim.m, sph2cart.m, structfun.m, trapz.m, triplequad.m, convhull.m, dsearch.m, dsearchn.m, griddata3.m, griddatan.m, rectint.m, tsearchn.m, __makeinfo__.m, doc.m, get_first_help_sentence.m, help.m, type.m, unimplemented.m, which.m, imread.m, imwrite.m, dlmwrite.m, fileread.m, is_valid_file_id.m, strread.m, textread.m, textscan.m, commutation_matrix.m, cond.m, condest.m, cross.m, duplication_matrix.m, expm.m, housh.m, isdefinite.m, ishermitian.m, issymmetric.m, logm.m, normest.m, null.m, onenormest.m, orth.m, planerot.m, qzhess.m, rank.m, rref.m, trace.m, vech.m, ans.m, bincoeff.m, bug_report.m, bzip2.m, comma.m, compare_versions.m, computer.m, edit.m, fileparts.m, fullfile.m, getfield.m, gzip.m, info.m, inputname.m, isappdata.m, isdeployed.m, ismac.m, ispc.m, isunix.m, list_primes.m, ls.m, mexext.m, namelengthmax.m, news.m, orderfields.m, paren.m, recycle.m, rmappdata.m, semicolon.m, setappdata.m, setfield.m, substruct.m, symvar.m, ver.m, version.m, warning_ids.m, xor.m, fminbnd.m, fsolve.m, fzero.m, lsqnonneg.m, optimset.m, pqpnonneg.m, sqp.m, matlabroot.m, __gnuplot_drawnow__.m, __plt_get_axis_arg__.m, ancestor.m, cla.m, clf.m, close.m, colorbar.m, colstyle.m, comet3.m, contourc.m, figure.m, gca.m, gcbf.m, gcbo.m, gcf.m, ginput.m, graphics_toolkit.m, gtext.m, hggroup.m, hist.m, hold.m, isfigure.m, ishghandle.m, ishold.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m, line.m, loglog.m, loglogerr.m, meshgrid.m, ndgrid.m, newplot.m, orient.m, patch.m, plot3.m, plotyy.m, __print_parse_opts__.m, quiver3.m, refreshdata.m, ribbon.m, semilogx.m, semilogxerr.m, semilogy.m, stem.m, stem3.m, subplot.m, title.m, uigetfile.m, view.m, whitebg.m, compan.m, conv.m, deconv.m, mkpp.m, mpoles.m, pchip.m, poly.m, polyaffine.m, polyder.m, polyfit.m, polygcd.m, polyint.m, polyout.m, polyval.m, polyvalm.m, ppder.m, ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, intersect.m, ismember.m, powerset.m, setdiff.m, setxor.m, union.m, unique.m, autoreg_matrix.m, bartlett.m, blackman.m, detrend.m, fftconv.m, fftfilt.m, fftshift.m, freqz.m, hamming.m, hanning.m, ifftshift.m, sinc.m, sinetone.m, sinewave.m, unwrap.m, bicg.m, bicgstab.m, gmres.m, gplot.m, nonzeros.m, pcg.m, pcr.m, spaugment.m, spconvert.m, spdiags.m, speye.m, spfun.m, spones.m, sprand.m, sprandsym.m, spstats.m, spy.m, svds.m, treelayout.m, bessel.m, beta.m, betaln.m, factor.m, factorial.m, isprime.m, lcm.m, legendre.m, nchoosek.m, nthroot.m, perms.m, pow2.m, primes.m, reallog.m, realpow.m, realsqrt.m, hadamard.m, hankel.m, hilb.m, invhilb.m, magic.m, rosser.m, vander.m, __finish__.m, center.m, cloglog.m, corr.m, cov.m, gls.m, histc.m, iqr.m, kendall.m, kurtosis.m, logit.m, mahalanobis.m, mean.m, meansq.m, median.m, mode.m, moment.m, ols.m, ppplot.m, prctile.m, probit.m, quantile.m, range.m, ranks.m, run_count.m, runlength.m, skewness.m, spearman.m, statistics.m, std.m, table.m, var.m, zscore.m, betacdf.m, betainv.m, betapdf.m, betarnd.m, binocdf.m, binoinv.m, binopdf.m, binornd.m, cauchy_cdf.m, cauchy_inv.m, cauchy_pdf.m, cauchy_rnd.m, chi2cdf.m, chi2inv.m, chi2pdf.m, chi2rnd.m, discrete_cdf.m, discrete_inv.m, discrete_pdf.m, discrete_rnd.m, empirical_cdf.m, empirical_inv.m, empirical_pdf.m, empirical_rnd.m, expcdf.m, expinv.m, exppdf.m, exprnd.m, fcdf.m, finv.m, fpdf.m, frnd.m, gamcdf.m, gaminv.m, gampdf.m, gamrnd.m, geocdf.m, geoinv.m, geopdf.m, geornd.m, hygecdf.m, hygeinv.m, hygepdf.m, hygernd.m, kolmogorov_smirnov_cdf.m, laplace_cdf.m, laplace_inv.m, laplace_pdf.m, laplace_rnd.m, logistic_cdf.m, logistic_inv.m, logistic_pdf.m, logistic_rnd.m, logncdf.m, logninv.m, lognpdf.m, lognrnd.m, nbincdf.m, nbininv.m, nbinpdf.m, nbinrnd.m, normcdf.m, norminv.m, normpdf.m, normrnd.m, poisscdf.m, poissinv.m, poisspdf.m, poissrnd.m, stdnormal_cdf.m, stdnormal_inv.m, stdnormal_pdf.m, stdnormal_rnd.m, tcdf.m, tinv.m, tpdf.m, trnd.m, unidcdf.m, unidinv.m, unidpdf.m, unidrnd.m, unifcdf.m, unifinv.m, unifpdf.m, unifrnd.m, wblcdf.m, wblinv.m, wblpdf.m, wblrnd.m, kolmogorov_smirnov_test.m, kruskal_wallis_test.m, base2dec.m, bin2dec.m, blanks.m, cstrcat.m, deblank.m, dec2base.m, dec2bin.m, dec2hex.m, findstr.m, hex2dec.m, index.m, isletter.m, mat2str.m, rindex.m, str2num.m, strcat.m, strjust.m, strmatch.m, strsplit.m, strtok.m, strtrim.m, strtrunc.m, substr.m, validatestring.m, demo.m, example.m, fail.m, speed.m, addtodate.m, asctime.m, clock.m, ctime.m, date.m, datenum.m, datetick.m, datevec.m, eomday.m, etime.m, is_leap_year.m, now.m: Use Octave coding conventions in all m-file %!test blocks
author Rik <octave@nomad.inbox5.com>
date Mon, 13 Feb 2012 07:29:44 -0800
parents 72c96de7a403
children d63878346099
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14138
72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents: 13929
diff changeset
1 ## Copyright (C) 2000-2012 Daniel Calvelo
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
2 ##
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
3 ## This file is part of Octave.
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
4 ##
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
5 ## Octave is free software; you can redistribute it and/or modify it
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
6 ## under the terms of the GNU General Public License as published by
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
8 ## your option) any later version.
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
9 ##
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
10 ## Octave is distributed in the hope that it will be useful, but
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
13 ## General Public License for more details.
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
14 ##
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
15 ## You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
17 ## <http://www.gnu.org/licenses/>.
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
18
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
19 ## -*- texinfo -*-
11471
994e2a93a8e2 Use uppercase 'A' to refer to matrix inputs in m-files.
Rik <octave@nomad.inbox5.com>
parents: 11191
diff changeset
20 ## @deftypefn {Function File} {} blkdiag (@var{A}, @var{B}, @var{C}, @dots{})
12639
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
21 ## Build a block diagonal matrix from @var{A}, @var{B}, @var{C}, @dots{}
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
22 ## All the arguments must be numeric and are two-dimensional matrices or
13929
9cae456085c2 Grammarcheck of documentation before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 13141
diff changeset
23 ## scalars. If any argument is of type sparse, the output will also be
13118
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
24 ## sparse.
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
25 ## @seealso{diag, horzcat, vertcat, sparse}
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
26 ## @end deftypefn
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
27
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
28 ## Author: Daniel Calvelo
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
29 ## Modified by: William Poetra Yoga Hadisoeseno
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
30
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
31 function retval = blkdiag (varargin)
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
32
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
33 if (nargin < 1)
6046
34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe]
jwe
parents: 5989
diff changeset
34 print_usage ();
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
35 endif
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
36
12931
cefd568ea073 Replace function handles with function names in cellfun calls for 15% speedup.
Rik <octave@nomad.inbox5.com>
parents: 12639
diff changeset
37 if (! all (cellfun ("isnumeric", varargin)))
5552
bcc328604953 [project @ 2005-11-30 05:48:59 by jwe]
jwe
parents: 5551
diff changeset
38 error ("blkdiag: all arguments must be numeric");
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
39 endif
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
40
5552
bcc328604953 [project @ 2005-11-30 05:48:59 by jwe]
jwe
parents: 5551
diff changeset
41 ## Note: trailing singletons are automatically (correctly) ignored.
5569
f7b4dfd541d1 [project @ 2005-12-08 16:57:31 by jwe]
jwe
parents: 5552
diff changeset
42 if (! all (cellfun ("ndims", varargin) == 2))
5657
fb1de6e6343b [project @ 2006-03-09 19:21:39 by jwe]
jwe
parents: 5642
diff changeset
43 error ("blkdiag: all arguments must be two-dimensional matrices");
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
44 endif
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
45
5552
bcc328604953 [project @ 2005-11-30 05:48:59 by jwe]
jwe
parents: 5551
diff changeset
46 ## size is an option for cellfun, but it's a bit different from
bcc328604953 [project @ 2005-11-30 05:48:59 by jwe]
jwe
parents: 5551
diff changeset
47 ## calling size directly.
11191
01ddaedd6ad5 Reverse changeset b1f4bdc276b6. Use all lower case for "uniformoutput" option.
Rik <octave@nomad.inbox5.com>
parents: 8920
diff changeset
48 tmp = cell2mat (cellfun (@size, varargin', "uniformoutput", false));
5989
e049385342f6 [project @ 2006-09-14 02:10:46 by jwe]
jwe
parents: 5720
diff changeset
49 csz = cumsum ([0 0; tmp], 1);
13118
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
50
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
51 if (any (cellfun ("issparse", varargin)))
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
52 retval = sparse (csz(end,1), csz(end,2));
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
53 else
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
54 retval = zeros (csz(end,:));
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
55 endif
5592
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5574
diff changeset
56
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5574
diff changeset
57 for p = 1:nargin
8120
8f0150a0d19e fix blkdiag to not rely on Matlab-incompatible behaviour
Jaroslav Hajek <highegg@gmail.com>
parents: 7017
diff changeset
58 vp = varargin{p};
8f0150a0d19e fix blkdiag to not rely on Matlab-incompatible behaviour
Jaroslav Hajek <highegg@gmail.com>
parents: 7017
diff changeset
59 if (! isempty (vp))
8f0150a0d19e fix blkdiag to not rely on Matlab-incompatible behaviour
Jaroslav Hajek <highegg@gmail.com>
parents: 7017
diff changeset
60 retval((csz(p,1)+1):csz(p+1,1),(csz(p,2)+1):csz(p+1,2)) = vp;
8f0150a0d19e fix blkdiag to not rely on Matlab-incompatible behaviour
Jaroslav Hajek <highegg@gmail.com>
parents: 7017
diff changeset
61 endif
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
62 endfor
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
63
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
64 endfunction
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
65
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
66
13118
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
67 ## regular tests
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
68 %!assert (blkdiag (1,ones (2),1), [1,0,0,0;0,1,1,0;0,1,1,0;0,0,0,1])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
69 %!assert (blkdiag ([1,2],[3,4],[5,6]), [1,2,0,0,0,0;0,0,3,4,0,0;0,0,0,0,5,6])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
70 %!assert (blkdiag ([1,2],[3;4],[5,6]), [1,2,0,0,0;0,0,3,0,0;0,0,4,0,0;0,0,0,5,6])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
71 %!assert (blkdiag ([1,2;3,4],[5,6,7]), [1,2,0,0,0;3,4,0,0,0;0,0,5,6,7])
13118
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
72 ## tests involving empty matrices
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
73 %!assert (blkdiag ([],[],[]), [])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
74 %!assert (blkdiag ([],[1,2;3,4],[],5,[]), [1,2,0;3,4,0;0,0,5])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
75 %!assert (blkdiag (zeros (1,0,1),[1,2,3],1,0,5,zeros (0,1,1)), [0,0,0,0,0,0,0;1,2,3,0,0,0,0;0,0,0,1,0,0,0;0,0,0,0,0,0,0;0,0,0,0,0,5,0]);
13118
c6601cb63e4e Improve blkdiag for sparse matrices
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 12931
diff changeset
76 ## tests involving sparse matrices
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
77 %!assert (blkdiag (sparse ([1,2;3,4]),[5,6;7,8]), sparse ([1,2,0,0;3,4,0,0;0,0,5,6;0,0,7,8]))
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
78 %!assert (blkdiag (sparse ([1,2;3,4]),[5,6]), sparse ([1,2,0,0;3,4,0,0;0,0,5,6]))
5551
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
79 # sanity checks
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
80 %!test
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
81 %! A = rand (round (rand (1, 2) * 10));
71cfd8fedd5d [project @ 2005-11-30 03:26:50 by jwe]
jwe
parents:
diff changeset
82 %! assert (blkdiag (A), A);
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
83