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maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Example: func() => func () * dynamic.txi, func.txi, oop.txi, var.txi, embedded.cc, fortdemo.cc, funcdemo.cc, paramdemo.cc, stringdemo.cc, unwinddemo.cc, Array.cc, Array.h, CColVector.cc, CDiagMatrix.h, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, CmplxGEPBAL.cc, EIG.cc, MSparse.cc, MatrixType.cc, Sparse-op-defs.h, Sparse-perm-op-defs.h, Sparse.cc, Sparse.h, SparseCmplxCHOL.cc, SparseCmplxCHOL.h, SparseCmplxLU.cc, SparseCmplxQR.cc, SparseCmplxQR.h, SparseQR.cc, SparseQR.h, SparsedbleCHOL.cc, SparsedbleCHOL.h, SparsedbleLU.cc, SparsedbleLU.h, base-lu.cc, cmd-hist.cc, dColVector.cc, dDiagMatrix.h, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dbleCHOL.cc, dbleGEPBAL.cc, dim-vector.cc, eigs-base.cc, f2c-main.c, fCColVector.cc, fCDiagMatrix.h, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fCmplxGEPBAL.cc, fColVector.cc, fDiagMatrix.h, fEIG.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, file-ops.cc, file-stat.cc, floatCHOL.cc, floatGEPBAL.cc, idx-vector.h, lo-specfun.cc, lo-sysdep.cc, mx-inlines.cc, oct-binmap.h, oct-convn.cc, oct-md5.cc, oct-mem.h, oct-rand.cc, oct-syscalls.cc, randgamma.c, randmtzig.c, sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc, sparse-dmsolve.cc, tempname.c, curl.m, divergence.m, randi.m, dlmwrite.m, edit.m, getappdata.m, what.m, getarchdir.m, install.m, installed_packages.m, repackage.m, unload_packages.m, colorbar.m, figure.m, isosurface.m, legend.m, loglog.m, plot.m, plot3.m, plotyy.m, polar.m, __errplot__.m, __ghostscript__.m, __marching_cube__.m, __plt__.m, __scatter__.m, semilogx.m, semilogy.m, trimesh.m, trisurf.m, demo.m, test.m, datetick.m, __delaunayn__.cc, __dsearchn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, balance.cc, bsxfun.cc, ccolamd.cc, cellfun.cc, chol.cc, daspk.cc, dasrt.cc, dassl.cc, dmperm.cc, eig.cc, eigs.cc, fftw.cc, filter.cc, find.cc, kron.cc, lookup.cc, lsode.cc, matrix_type.cc, md5sum.cc, mgorth.cc, qr.cc, quad.cc, rand.cc, regexp.cc, symbfact.cc, tril.cc, urlwrite.cc, op-bm-bm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-cm-cm.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fdm-fdm.cc, op-fm-fm.cc, op-int.h, op-m-m.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-str.cc, op-struct.cc, bitfcns.cc, data.cc, debug.cc, dynamic-ld.cc, error.cc, gl-render.cc, graphics.cc, graphics.in.h, load-path.cc, ls-hdf5.cc, ls-mat5.cc, ls-mat5.h, ls-oct-ascii.cc, ls-oct-ascii.h, mex.cc, mk-errno-list, oct-map.cc, oct-obj.h, oct-parse.yy, octave-config.in.cc, ov-base-int.cc, ov-base-mat.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-cell.cc, ov-class.cc, ov-class.h, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-intx.h, ov-range.h, ov-re-mat.cc, ov-re-sparse.cc, ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, ov.h, pr-output.cc, pt-id.cc, pt-id.h, pt-mat.cc, pt-select.cc, sparse.cc, symtab.cc, symtab.h, syscalls.cc, toplev.cc, txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h, Dork.m, getStash.m, myStash.m, Gork.m, Pork.m, myStash.m, getStash.m, myStash.m, getStash.m, myStash.m, fntests.m: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
author Rik <octave@nomad.inbox5.com>
date Sun, 08 Jul 2012 11:28:50 -0700
parents 11949c9795a0
children 5d3a684236b0
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rev   line source
14138
72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 1993-2012 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho})
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21 ## @deftypefnx {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt})
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22 ## @deftypefnx {Function File} {} polar (@var{h}, @dots{})
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23 ## @deftypefnx {Function File} {@var{h} =} polar (@dots{})
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24 ## Create a two-dimensional plot from polar coordinates @var{theta} and
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25 ## @var{rho}.
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26 ##
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27 ## The optional argument @var{fmt} specifies the line format.
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28 ##
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29 ## The optional return value @var{h} is a graphics handle to the created plot.
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30 ##
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31 ## @seealso{plot}
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32 ## @end deftypefn
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33
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34 ## Author: jwe
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35
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36 function retval = polar (varargin)
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37
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38 [h, varargin, nargs] = __plt_get_axis_arg__ ("polar", varargin{:});
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39
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40 if (nargs < 1)
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41 print_usage ();
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42 endif
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43
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44 oldh = gca ();
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45 unwind_protect
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46 axes (h);
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47 newplot ();
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48
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49 if (nargs == 3)
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50 if (! ischar (varargin{3}))
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51 error ("polar: third argument must be a string");
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52 endif
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53 tmp = __plr2__ (h, varargin{:});
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54 maxr = max (varargin {2} (:));
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55 elseif (nargs == 2)
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56 if (ischar (varargin{2}))
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57 tmp = __plr1__ (h, varargin{:});
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58 if (iscomplex(varargin{1}))
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59 maxr = max (imag(varargin{1})(:));
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60 else
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61 maxr = max (varargin{1}(:));
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62 endif
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63 else
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64 fmt = "";
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65 tmp = __plr2__ (h, varargin{:}, fmt);
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66 maxr = max (varargin {2} (:));
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67 endif
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68 elseif (nargs == 1)
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69 fmt = "";
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70 tmp = __plr1__ (h, varargin{:}, fmt);
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71 if (iscomplex(varargin{1}))
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72 maxr = max (imag(varargin{1})(:));
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73 else
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74 maxr = max (varargin{1}(:));
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75 endif
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76 else
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77 print_usage ();
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78 endif
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79
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80 set (h, "xlim", [-maxr, maxr], "ylim", [-maxr, maxr],
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81 "xaxislocation", "zero", "yaxislocation", "zero",
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82 "plotboxaspectratio", [1, 1, 1]);
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83
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84 if (nargout > 0)
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85 retval = tmp;
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86 endif
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87 unwind_protect_cleanup
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88 axes (oldh);
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89 end_unwind_protect
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90
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91 endfunction
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92
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93 function retval = __plr1__ (h, theta, fmt)
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94
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95 if (nargin != 3)
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96 print_usage ();
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97 endif
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98
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99 [nr, nc] = size (theta);
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100 if (nr == 1)
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101 theta = theta';
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102 tmp = nr;
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103 nr = nc;
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104 nc = tmp;
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105 endif
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106 theta_i = imag (theta);
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107 if (any (theta_i))
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108 rho = theta_i;
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109 theta = real (theta);
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110 else
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111 rho = theta;
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112 theta = (1:nr)';
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113 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private
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parents: 7321
diff changeset
114
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diff changeset
115 retval = __plr2__ (h, theta, rho, fmt);
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diff changeset
116
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diff changeset
117 endfunction
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diff changeset
118
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diff changeset
119 function retval = __plr2__ (h, theta, rho, fmt)
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diff changeset
120
1aeb39118764 convert some plot functions to subfunctions or make some them private
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diff changeset
121 if (nargin != 4)
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diff changeset
122 print_usage ();
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123 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private
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diff changeset
124
1aeb39118764 convert some plot functions to subfunctions or make some them private
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diff changeset
125 if (any (imag (theta)))
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diff changeset
126 theta = real (theta);
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diff changeset
127 endif
1aeb39118764 convert some plot functions to subfunctions or make some them private
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diff changeset
128
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diff changeset
129 if (any (imag (rho)))
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130 rho = real (rho);
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131 endif
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diff changeset
132
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diff changeset
133 if (isscalar (theta))
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diff changeset
134 if (isscalar (rho))
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diff changeset
135 x = rho * cos (theta);
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136 y = rho * sin (theta);
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137 retval = __plt__ ("polar", h, x, y, fmt);
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138 else
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diff changeset
139 error ("__plr2__: invalid data for plotting");
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diff changeset
140 endif
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diff changeset
141 elseif (isvector (theta))
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diff changeset
142 if (isvector (rho))
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diff changeset
143 if (length (theta) != length (rho))
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diff changeset
144 error ("__plr2__: vector lengths must match");
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145 endif
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diff changeset
146 if (rows (rho) == 1)
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147 rho = rho';
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148 endif
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149 if (rows (theta) == 1)
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150 theta = theta';
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151 endif
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152 x = rho .* cos (theta);
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153 y = rho .* sin (theta);
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154 retval = __plt__ ("polar", h, x, y, fmt);
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155 elseif (ismatrix (rho))
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156 [t_nr, t_nc] = size (theta);
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157 if (t_nr == 1)
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158 theta = theta';
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159 tmp = t_nr;
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160 t_nr = t_nc;
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161 t_nc = tmp;
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162 endif
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163 [r_nr, r_nc] = size (rho);
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164 if (t_nr != r_nr)
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165 rho = rho';
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166 tmp = r_nr;
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167 r_nr = r_nc;
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168 r_nc = tmp;
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169 endif
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170 if (t_nr != r_nr)
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171 error ("__plr2__: vector and matrix sizes must match");
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172 endif
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173 x = diag (cos (theta)) * rho;
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174 y = diag (sin (theta)) * rho;
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175 retval = __plt__ ("polar", h, x, y, fmt);
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176 else
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177 error ("__plr2__: invalid data for plotting");
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178 endif
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179 elseif (ismatrix (theta))
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180 if (isvector (rho))
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181 [r_nr, r_nc] = size (rho);
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182 if (r_nr == 1)
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183 rho = rho';
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184 tmp = r_nr;
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185 r_nr = r_nc;
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186 r_nc = tmp;
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187 endif
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188 [t_nr, t_nc] = size (theta);
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189 if (r_nr != t_nr)
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190 theta = theta';
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191 tmp = t_nr;
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192 t_nr = t_nc;
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193 t_nc = tmp;
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diff changeset
194 endif
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195 if (r_nr != t_nr)
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diff changeset
196 error ("__plr2__: vector and matrix sizes must match");
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diff changeset
197 endif
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198 diag_r = diag (rho);
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199 x = diag_r * cos (theta);
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200 y = diag_r * sin (theta);
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diff changeset
201 retval = __plt__ ("polar", h, x, y, fmt);
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202 elseif (ismatrix (rho))
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203 if (! size_equal (rho, theta))
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diff changeset
204 error ("__plr2__: matrix dimensions must match");
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diff changeset
205 endif
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206 x = rho .* cos (theta);
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207 y = rho .* sin (theta);
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208 retval = __plt__ ("polar", h, x, y, fmt);
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diff changeset
209 else
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diff changeset
210 error ("__plr2__: invalid data for plotting");
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diff changeset
211 endif
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diff changeset
212 else
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diff changeset
213 error ("__plr2__: invalid data for plotting");
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diff changeset
214 endif
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215
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diff changeset
216 endfunction
12789
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217
482cc053281b codesprint: Add 2 demos for polar.m
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218
482cc053281b codesprint: Add 2 demos for polar.m
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diff changeset
219 %!demo
14237
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220 %! clf;
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221 %! theta = linspace (0,2*pi,1000);
12789
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222 %! rho = sin (7*theta);
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diff changeset
223 %! polar (theta, rho);
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diff changeset
224
482cc053281b codesprint: Add 2 demos for polar.m
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diff changeset
225 %!demo
14237
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diff changeset
226 %! clf;
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diff changeset
227 %! theta = linspace (0,10*pi,1000);
12789
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diff changeset
228 %! rho = sin (5/4*theta);
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diff changeset
229 %! polar (theta, rho);
482cc053281b codesprint: Add 2 demos for polar.m
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
230