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annotate scripts/ode/odeget.m @ 20568:fcb792acab9b

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Moving ode45, odeset, odeget, and levenshtein from odepkg to core. * libinterp/corefcn/levenshtein.cc: move function from odepkg into core * libinterp/corefcn/module.mk: include levenshtein.cc * scripts/ode: move ode45, odeset, odeget, and all dependencies from odepkg into core * scripts/module.mk: include them * doc/interpreter/diffeq.txi: add documentation for ode45, odeset, odeget * NEWS: announce functions included with this changeset * scripts/help/__unimplemented__.m: removed new functions
author jcorno <jacopo.corno@gmail.com>
date Thu, 24 Sep 2015 12:58:46 +0200
parents
children 25623ef2ff4f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
20568
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1 ## Copyright (C) 2013, Roberto Porcu' <roberto.porcu@polimi.it>
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2 ## Copyright (C) 2006-2012, Thomas Treichl <treichl@users.sourceforge.net>
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {[@var{}] =} odeget (@var{ode_opt}, @var{field}, [@var{default}], [@var{opt}])
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22 ## @deftypefnx {Function File} {[@var{res}] =} odeget (@var{ode_opt}, @var{field}, [@var{default}], [@var{opt}])
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23 ##
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24 ## If this function is called with two input arguments and the first input
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25 ## argument @var{ode_opt} is of type structure array and the second input
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26 ## argument @var{field} is of type string then return the option
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27 ## value @var{res} that is specified by the option name @var{field} in
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28 ## the ODE option structure @var{ode_opt}. Optionally if this function
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29 ## is called with a third input argument then return the default value
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30 ## @var{default} if @var{field} is not set in the structure @var{ode_opt}.
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31 ## @end deftypefn
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32 ##
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33
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34 ## Note: 20061022, Thomas Treichl
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35 ## We cannot create a function of the form odeget (@var{odestruct},
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36 ## @var{name1}, @var{name2}) because we would get a mismatch with
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37 ## the function form 1 like described above.
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38
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39 function res = odeget (ode_opt, field, default, opt)
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40
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41 ## Check number and types of input arguments
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42 if (nargin == 1)
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43 error ("OdePkg:InvalidArgument",
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44 "input arguments number must be at least 2")
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45 endif
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46
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47 if (isempty (ode_opt))
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48 if (nargin == 2)
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49 res = [];
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50 return
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51 endif
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52 res = default;
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53 return
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54 endif
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55
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56 if (! isstruct (ode_opt))
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57 error ("OdePkg:InvalidArgument",
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58 "first input argument must be a valid ODE_STRUCT.");
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59 endif
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60
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61 if (! ischar (field))
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62 error ("OdePkg:InvalidArgument",
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63 "second input argument must be a string.");
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64 endif
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65
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66 if (nargin == 2)
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67 default = [];
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68 endif
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69
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70 if ((nargin == 4)
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71 && strcmp (lower (deblank (opt)), "fast"))
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72 if (isfield (ode_opt, field))
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73 res = ode_opt.(field);
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74 else
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75 res = default;
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76 endif
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77 return
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78 endif
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79
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80 if ((nargin == 4)
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81 && strcmp (lower (deblank (opt)), "fast_not_empty"))
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82 if (isfield (ode_opt, field)
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83 && ! isempty (ode_opt.(field)) )
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84 res = ode_opt.(field);
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85 else
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86 res = default;
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87 endif
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88 return
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89 endif
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90
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91 ## check if the given struct is a valid OdePkg struct
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92 ode_struct_value_check (ode_opt);
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93
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94 ## define all the possible OdePkg fields
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95 options = ["AbsTol"; "Algorithm"; "BDF"; "Choice"; "Eta"; "Events";
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96 "Explicit"; "InexactSolver"; "InitialSlope"; "InitialStep";
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97 "Jacobian";"JConstant";"JPattern";"Mass"; "MassConstant";
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98 "MassSingular"; "MaxNewtonIterations"; "MaxOrder"; "MaxStep";
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99 "MStateDependence"; "MvPattern"; "NewtonTol"; "NonNegative";
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100 "NormControl"; "OutputFcn"; "OutputSave"; "OutputSel";
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101 "PolynomialDegree"; "QuadratureOrder"; "Refine"; "RelTol";
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102 "Restart"; "Stats"; "TimeStepNumber"; "TimeStepSize";
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103 "UseJacobian"; "Vectorized"];
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104
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105 while (1)
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106 pos = fuzzy_compare (field, options);
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107
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108 if (size (pos, 1) == 0) # no matching for the given option
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109 if (nargin == 2)
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110 error ("OdePkg:InvalidArgument",
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111 "invalid property. No property found with name ''%s''.", field);
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112 endif
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jcorno <jacopo.corno@gmail.com>
parents:
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113 warning ("odeget:NoExactMatching",
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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114 "no property found with name ''%s''. ",
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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115 "Assuming default value.", field);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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116 res = default;
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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117 return
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
118 endif
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
119
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
120 if (size (pos, 1) == 1) # one matching
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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121 if (! strcmp (lower (deblank (field)),
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
122 lower (deblank (options(pos,:)))) )
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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123 warning ("OdePkg:InvalidArgument",
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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124 "no exact matching for ''%s''. ",
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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125 "Assuming you was intending ''%s''.",
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
126 field, deblank (options(pos,:)));
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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127 endif
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
128 res = ode_opt.(deblank (options(pos,:)));
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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129 if (isempty (res))
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
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130 res = default;
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
131 return
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
132 endif
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
133 return
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
134 endif
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
135
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
136 ## if there are more matching, ask the user to be more precise
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
137 warning ("OdePkg:InvalidArgument", ...
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
138 "no exact matching for ''%s''. %d possible fields were found.",
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
139 field, size (pos, 1));
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
140 for j = 1:(size (pos, 1))
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
141 fprintf ("%s\n", deblank (options(pos(j),:)));
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
142 endfor
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
143 do
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
144 fprintf ("Please insert field name again.\n");
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
145 field = input ("New field name: ");
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
146 until (ischar (field))
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
147 endwhile
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
148
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
149 endfunction
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
150
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
151 %! ## Turn off output of warning messages for all tests, turn them on
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
152 %! ## again if the last test is called
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
153 %! warning ('off', 'OdePkg:InvalidArgument');
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
154 %!test assert (odeget (odeset (), 'RelTol'), []);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
155 %!test assert (odeget (odeset (), 'RelTol', 10), 10);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
156 %!test assert (odeget (odeset (), 'Stats'), []);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
157 %!test assert (odeget (odeset (), 'Stats', 'on'), 'on');
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
158 %!test assert (odeget (odeset (), 'AbsTol', 1.e-6, 'fast'), []);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
159 %!test assert (odeget (odeset (), 'AbsTol', 1.e-6, 'fast_not_empty'), 1.e-6);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
160 %!test assert (odeget (odeset (), 'AbsTol', 1e-9), 1e-9);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
161 %!
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
162 %! warning ('on', 'OdePkg:InvalidArgument');
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
163
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
164 %!demo
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
165 %! # Return the manually changed value RelTol of the OdePkg options
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
166 %! # strutcure A. If RelTol wouldn't have been changed then an
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
167 %! # empty matrix value would have been returned.
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
168 %!
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
169 %! A = odeset ('RelTol', 1e-1, 'AbsTol', 1e-2);
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
170 %! odeget (A, 'RelTol', [])
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
171
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
172 ## Local Variables: ***
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
173 ## mode: octave ***
fcb792acab9b Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff changeset
174 ## End: ***