Mercurial > hg > octave-nkf
comparison scripts/general/gradient.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 | 5d3a684236b0 |
comparison
equal
deleted
inserted
replaced
14361:8de863b7126b | 14363:f3d52523cde1 |
---|---|
218 varargout{d} = df_dx; | 218 varargout{d} = df_dx; |
219 endif | 219 endif |
220 endfor | 220 endfor |
221 endfunction | 221 endfunction |
222 | 222 |
223 | |
223 %!test | 224 %!test |
224 %! data = [1, 2, 4, 2]; | 225 %! data = [1, 2, 4, 2]; |
225 %! dx = gradient (data); | 226 %! dx = gradient (data); |
226 %! dx2 = gradient (data, 0.25); | 227 %! dx2 = gradient (data, 0.25); |
227 %! dx3 = gradient (data, [0.25, 0.5, 1, 3]); | 228 %! dx3 = gradient (data, [0.25, 0.5, 1, 3]); |
228 %! assert (dx, [1, 3/2, 0, -2]); | 229 %! assert (dx, [1, 3/2, 0, -2]); |
229 %! assert (dx2, [4, 6, 0, -8]); | 230 %! assert (dx2, [4, 6, 0, -8]); |
230 %! assert (dx3, [4, 4, 0, -1]); | 231 %! assert (dx3, [4, 4, 0, -1]); |
231 %! assert (size_equal(data, dx)); | 232 %! assert (size_equal (data, dx)); |
232 | 233 |
233 %!test | 234 %!test |
234 %! [Y,X,Z,U] = ndgrid (2:2:8,1:5,4:4:12,3:5:30); | 235 %! [Y,X,Z,U] = ndgrid (2:2:8,1:5,4:4:12,3:5:30); |
235 %! [dX,dY,dZ,dU] = gradient (X); | 236 %! [dX,dY,dZ,dU] = gradient (X); |
236 %! assert (all(dX(:)==1)); | 237 %! assert (all (dX(:) == 1)); |
237 %! assert (all(dY(:)==0)); | 238 %! assert (all (dY(:) == 0)); |
238 %! assert (all(dZ(:)==0)); | 239 %! assert (all (dZ(:) == 0)); |
239 %! assert (all(dU(:)==0)); | 240 %! assert (all (dU(:) == 0)); |
240 %! [dX,dY,dZ,dU] = gradient (Y); | 241 %! [dX,dY,dZ,dU] = gradient (Y); |
241 %! assert (all(dX(:)==0)); | 242 %! assert (all (dX(:) == 0)); |
242 %! assert (all(dY(:)==2)); | 243 %! assert (all (dY(:) == 2)); |
243 %! assert (all(dZ(:)==0)); | 244 %! assert (all (dZ(:) == 0)); |
244 %! assert (all(dU(:)==0)); | 245 %! assert (all (dU(:) == 0)); |
245 %! [dX,dY,dZ,dU] = gradient (Z); | 246 %! [dX,dY,dZ,dU] = gradient (Z); |
246 %! assert (all(dX(:)==0)); | 247 %! assert (all (dX(:) == 0)); |
247 %! assert (all(dY(:)==0)); | 248 %! assert (all (dY(:) == 0)); |
248 %! assert (all(dZ(:)==4)); | 249 %! assert (all (dZ(:) == 4)); |
249 %! assert (all(dU(:)==0)); | 250 %! assert (all (dU(:) == 0)); |
250 %! [dX,dY,dZ,dU] = gradient (U); | 251 %! [dX,dY,dZ,dU] = gradient (U); |
251 %! assert (all(dX(:)==0)); | 252 %! assert (all (dX(:) == 0)); |
252 %! assert (all(dY(:)==0)); | 253 %! assert (all (dY(:) == 0)); |
253 %! assert (all(dZ(:)==0)); | 254 %! assert (all (dZ(:) == 0)); |
254 %! assert (all(dU(:)==5)); | 255 %! assert (all (dU(:) == 5)); |
256 %! assert (size_equal (dX, dY, dZ, dU, X, Y, Z, U)); | |
257 %! [dX,dY,dZ,dU] = gradient (U, 5.0); | |
258 %! assert (all (dU(:) == 1)); | |
259 %! [dX,dY,dZ,dU] = gradient (U, 1.0, 2.0, 3.0, 2.5); | |
260 %! assert (all (dU(:) == 2)); | |
261 | |
262 %!test | |
263 %! [Y,X,Z,U] = ndgrid (2:2:8,1:5,4:4:12,3:5:30); | |
264 %! [dX,dY,dZ,dU] = gradient (X+j*X); | |
265 %! assert (all (dX(:) == 1+1j)); | |
266 %! assert (all (dY(:) == 0)); | |
267 %! assert (all (dZ(:) == 0)); | |
268 %! assert (all (dU(:) == 0)); | |
269 %! [dX,dY,dZ,dU] = gradient (Y-j*Y); | |
270 %! assert (all (dX(:) == 0)); | |
271 %! assert (all (dY(:) == 2-j*2)); | |
272 %! assert (all (dZ(:) == 0)); | |
273 %! assert (all (dU(:) == 0)); | |
274 %! [dX,dY,dZ,dU] = gradient (Z+j*1); | |
275 %! assert (all (dX(:) == 0)); | |
276 %! assert (all (dY(:) == 0)); | |
277 %! assert (all (dZ(:) == 4)); | |
278 %! assert (all (dU(:) == 0)); | |
279 %! [dX,dY,dZ,dU] = gradient (U-j*1); | |
280 %! assert (all (dX(:) == 0)); | |
281 %! assert (all (dY(:) == 0)); | |
282 %! assert (all (dZ(:) == 0)); | |
283 %! assert (all (dU(:) == 5)); | |
255 %! assert (size_equal(dX, dY, dZ, dU, X, Y, Z, U)); | 284 %! assert (size_equal(dX, dY, dZ, dU, X, Y, Z, U)); |
256 %! [dX,dY,dZ,dU] = gradient (U, 5.0); | 285 %! [dX,dY,dZ,dU] = gradient (U, 5.0); |
257 %! assert (all(dU(:)==1)); | 286 %! assert (all (dU(:) == 1)); |
258 %! [dX,dY,dZ,dU] = gradient (U, 1.0, 2.0, 3.0, 2.5); | 287 %! [dX,dY,dZ,dU] = gradient (U, 1.0, 2.0, 3.0, 2.5); |
259 %! assert (all(dU(:)==2)); | 288 %! assert (all (dU(:) == 2)); |
260 | |
261 %!test | |
262 %! [Y,X,Z,U] = ndgrid (2:2:8,1:5,4:4:12,3:5:30); | |
263 %! [dX,dY,dZ,dU] = gradient (X+j*X); | |
264 %! assert (all(dX(:)==1+1j)); | |
265 %! assert (all(dY(:)==0)); | |
266 %! assert (all(dZ(:)==0)); | |
267 %! assert (all(dU(:)==0)); | |
268 %! [dX,dY,dZ,dU] = gradient (Y-j*Y); | |
269 %! assert (all(dX(:)==0)); | |
270 %! assert (all(dY(:)==2-j*2)); | |
271 %! assert (all(dZ(:)==0)); | |
272 %! assert (all(dU(:)==0)); | |
273 %! [dX,dY,dZ,dU] = gradient (Z+j*1); | |
274 %! assert (all(dX(:)==0)); | |
275 %! assert (all(dY(:)==0)); | |
276 %! assert (all(dZ(:)==4)); | |
277 %! assert (all(dU(:)==0)); | |
278 %! [dX,dY,dZ,dU] = gradient (U-j*1); | |
279 %! assert (all(dX(:)==0)); | |
280 %! assert (all(dY(:)==0)); | |
281 %! assert (all(dZ(:)==0)); | |
282 %! assert (all(dU(:)==5)); | |
283 %! assert (size_equal(dX, dY, dZ, dU, X, Y, Z, U)); | |
284 %! [dX,dY,dZ,dU] = gradient (U, 5.0); | |
285 %! assert (all(dU(:)==1)); | |
286 %! [dX,dY,dZ,dU] = gradient (U, 1.0, 2.0, 3.0, 2.5); | |
287 %! assert (all(dU(:)==2)); | |
288 | 289 |
289 %!test | 290 %!test |
290 %! x = 0:10; | 291 %! x = 0:10; |
291 %! f = @cos; | 292 %! f = @cos; |
292 %! df_dx = @(x) -sin (x); | 293 %! df_dx = @(x) -sin (x); |