Mercurial > hg > ltpda

annotate m-toolbox/classes/@smodel/double.m @ 29:54f14716c721 database-connection-manager

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Update Java code
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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1 % DOUBLE Returns the numeric result of the model.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: Returns the numeric result of the model.
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5 %
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6 % CALL: num = obj.double
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7 %
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8 % <a href="matlab:utils.helper.displayMethodInfo('smodel', 'double')">Parameters Description</a>
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9 %
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10 % VERSION: $Id: double.m,v 1.21 2011/05/28 05:42:02 mauro Exp $
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11 %
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12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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13
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14 function d = double(varargin)
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15
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16 % Check if the method was called by another method
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17 callerIsMethod = utils.helper.callerIsMethod;
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18
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19 if callerIsMethod
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20 else
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21 % Check if this is a call for parameters
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22 if utils.helper.isinfocall(varargin{:})
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23 d = getInfo(varargin{3});
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24 return
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25 end
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26 end
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27
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28 mdl = varargin{1};
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29
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30 % check the model is valid
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31 fld = check_model_fields(mdl);
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32 if ~isempty(fld)
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33 error(['### The field ' fld ' cannot be empty!']);
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34 end
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35
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36 % Check 'params' and 'values' have the same length
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37 if numel(mdl.params) ~= numel(mdl.values)
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38 error('### The number of parameter names and parameter values must match');
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39 end
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40
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41 % Check 'aliasNames' and 'aliasValues' have the same length
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42 if numel(mdl.aliasNames) ~= numel(mdl.aliasValues)
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43 error('### The number of aliase names and alias values must match');
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44 end
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45
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46 % Assign locally values for any remaining parameters
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47 getVariables(mdl.params, mdl.values);
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48
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49 % Assign locally alias names to alias values
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50 getVariables(mdl.aliasNames, mdl.aliasValues);
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51
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52 % Recover the mapping factor from xvals and xvar
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53 trans = mdl.trans;
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54
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55 if ~isempty(trans)
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56 warning('The usage of the ''trans'' option is deprecated and will be removed soon. Please use an alias instead!');
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57 end
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58
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59 % I need to shape it as the xvar field
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60 oo = ones(size(mdl.xvar));
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61 if isempty(trans)
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62 scale = 1.0 * oo;
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63 else
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64 for kk = 1:numel(trans)
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65 scale(kk) = eval(trans{kk});
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66 end
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67 scale = scale .* oo;
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68 end
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69
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70 % Set local values for the X vector
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71 for kk = 1:numel(mdl.xvar)
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72 if ~isempty(mdl.xvals)
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73 eval(sprintf('%s = scale(%d).*mdl.xvals{%d};', mdl.xvar{kk}, kk, kk));
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74 else
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75 eval(sprintf('%s = [];', mdl.xvar{kk}));
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76 end
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77 end
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78
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79 % The actual evaluation
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80 d = eval(mdl.expr.s);
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81
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82 % Support the case of a constant model
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83 if numel(d) == 1
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84 % Multiple X variables, choose the first
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85 d = d .* ones(size(mdl.xvals{1}));
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86 end
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87
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88 if any(isnan(d))
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89 warning('!!! Data contain y values equal to NaN');
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90 end
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91 if any(isinf(d))
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92 warning('!!! Data contain y values equal to Inf');
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93 end
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94
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95 end
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96
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97 %--------------------------------------------------------------------------
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98 % Check Model Fields are correct
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99 %--------------------------------------------------------------------------
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100 function fld = check_model_fields(mdl)
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101
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102 fld = [];
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103
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104 % Check 'expr'
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105 if isempty(mdl.expr) || isempty(mdl.expr.s)
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106 fld = 'expr';
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107 return
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108 end
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109
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110 % Check 'xvar'
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111 if isempty(mdl.xvar)
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112 fld = 'xvar';
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113 return
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114 end
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115
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116 end
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117
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118 %--------------------------------------------------------------------------
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119 % Assign Variables Values
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120 %--------------------------------------------------------------------------
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121 function getVariables(nms, vals)
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122 for kk = 1:numel(nms)
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123 assignin('caller', nms{kk}, vals{kk});
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124 end
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125 end
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126
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127 %--------------------------------------------------------------------------
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128 % Get Info Object
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129 %--------------------------------------------------------------------------
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130 function ii = getInfo(varargin)
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131
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132 if nargin == 1 && strcmpi(varargin{1}, 'None')
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133 sets = {};
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134 pl = [];
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135 else
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136 sets = {'Default'};
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137 pl = getDefaultPlist();
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138 end
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139 % Build info object
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140 ii = minfo(mfilename, 'smodel', 'ltpda', utils.const.categories.helper, '$Id: double.m,v 1.21 2011/05/28 05:42:02 mauro Exp $', sets, pl);
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141 end
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142
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143 %--------------------------------------------------------------------------
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144 % Get Default Plist
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145 %--------------------------------------------------------------------------
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146
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147 function plout = getDefaultPlist()
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148 persistent pl;
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149 if ~exist('pl', 'var') || isempty(pl)
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150 pl = buildplist();
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151 end
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152 plout = pl;
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153 end
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154
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155 function pl = buildplist()
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156 pl = plist.EMPTY_PLIST;
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157 end
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158