Mercurial > hg > ltpda

annotate m-toolbox/classes/@matrix/elementOp.m @ 51:9d5c88356247 database-connection-manager

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make unit tests database connection parameters configurable
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 07 Dec 2011 17:24:37 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % ELEMENTOP applies the given operator to the input matrices.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: ELEMENTOP applies the given operator to the input matrices.
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5 %
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6 % CALL: a = elementOp(op, opname, opsym, infoObj, pl, fcnArgIn, varNames)
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7 %
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8 % PARAMETERS: op - MATLAB operation name
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9 % opname - Name for displaying
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10 % opsym - Operation symbol
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11 % infoObj - minfo object
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12 % pl - default plist
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13 % fcnArgIn - Input argument list of the calling fcn.
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14 % varNames - Variable names of the input
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15 %
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16 % VERSION: $Id: elementOp.m,v 1.10 2011/02/11 12:30:29 hewitson Exp $
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17 %
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18 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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19
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20 function varargout = elementOp(varargin)
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21
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22 import utils.const.*
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23
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24 % Settings
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25 callerIsMethod = varargin{1};
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26 op = varargin{2};
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27 opname = varargin{3};
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28 opsym = varargin{4};
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29
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30 infoObj = varargin{5};
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31 pl = varargin{6};
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32
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33 fcnArgIn = varargin{7};
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34 varNames = varargin{8};
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35
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36 if numel(fcnArgIn) ~=2
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37 error('### The operator %s can only operate on two inputs', op);
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38 end
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39
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40 mat1 = fcnArgIn{1};
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41 mat2 = fcnArgIn{2};
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42
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43 if isnumeric(mat1) || ischar(mat1)
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44 if ischar(mat1)
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45 mat1 = eval(mat1);
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46 end
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47 nums = mat1;
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48 varNames{1} = utils.helper.mat2str(nums);
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49 % build a numeric/char object of the same size of mat2
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50 mat1 = copy(mat2,1);
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51 for ii=1:numel(mat1.objs)
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52 if numel(nums) == numel(mat1.objs)
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53 expr = nums(ii);
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54 else
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55 expr = nums;
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56 end
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57 mat1.objs(ii) = feval(class(mat2.objs), expr);
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58 mat1.objs(ii).setName(num2str(expr));
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59 if isprop(mat2.objs(ii), 'xunits') || (isa(mat2.objs(ii), 'ao') && ...
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60 isprop(mat2.objs(ii).data, 'xunits'))
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61 mat1.objs(ii).setXunits(mat2.objs(ii).xunits);
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62 end
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63 end
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64 end
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65 if isnumeric(mat2) || ischar(mat2)
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66 if ischar(mat2)
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67 mat2 = eval(mat2);
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68 end
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69 nums = mat2;
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70 varNames{2} = utils.helper.mat2str(nums);
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71 % build a numeric/char object of the same size of mat1
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72 mat2 = copy(mat1,1);
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73 for ii=1:numel(mat2.objs)
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74 if numel(nums) == numel(mat2.objs)
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75 expr = nums(ii);
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76 else
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77 expr = nums;
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78 end
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79 mat2.objs(ii) = feval(class(mat1.objs), expr);
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80 mat2.objs(ii).setName(utils.helper.num2str(expr));
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81 if isprop(mat2.objs(ii), 'xunits') || (isa(mat2.objs(ii), 'ao') && ...
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82 isprop(mat2.objs(ii).data, 'xunits'))
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83 mat2.objs(ii).setXunits(mat1.objs(ii).xunits);
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84 end
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85 end
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86 end
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87
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88 % matrix objects must all contain the same class
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89 if ~strcmp(class(mat1.objs), class(mat2.objs))
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90 error('### The %s operator can only apply to matrix objects containing the same class of objects. [%s .* %s]', op, class(mat1.objs), class(mat2.objs));
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91 end
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92
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93
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94 % init output
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95 mat = copy(mat1,1);
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96
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97 %%%%%%%%%% If the first or second input is only one object then %%%%%%%%%%
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98 %%%%%%%%%% resize the input to the size of the other object. %%%%%%%%%%
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99 if numel(mat1.objs) == 1 && numel(mat1.objs) ~= numel(mat2.objs)
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100 h1 = mat1.hist;
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101 obj1 = mat1.objs;
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102 obj1(1:numel(mat2.objs)) = obj1;
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103 obj1 = reshape(obj1, size(mat2.objs));
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104 mat1 = matrix(obj1);
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105 mat1.name = varNames{1};
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106 mat1.hist = h1;
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107 end
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108 if numel(mat2.objs) == 1 && numel(mat2.objs) ~= numel(mat1.objs)
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109 h2 = mat2.hist;
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110 obj2 = mat2.objs;
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111 obj2(1:numel(mat1.objs)) = obj2;
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112 obj2 = reshape(obj2, size(mat1.objs));
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113 mat2 = matrix(obj2);
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114 mat2.name = varNames{2};
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115 mat2.hist = h2;
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116 end
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117
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118 if ~all(size(mat1.objs) == size(mat2.objs))
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119 error('### The Input objects must have the same size. Size of mat1 [%d %d], mat2 [%d %d]', size(mat1.objs,1), size(mat1.objs,2), size(mat2.objs,1), size(mat2.objs,2));
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120 end
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121
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122 % switch between operations
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123 switch lower(op)
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124 case 'plus'
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125 % plus operation
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126 for kk = 1:numel(mat1.objs)
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127 mat.objs(kk) = mat1.objs(kk) + mat2.objs(kk);
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128 end
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129 case 'minus'
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130 % minus operation
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131 for kk = 1:numel(mat1.objs)
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132 mat.objs(kk) = mat1.objs(kk) - mat2.objs(kk);
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133 end
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134 case 'times'
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135 % times operation
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136 for kk = 1:numel(mat1.objs)
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137 mat.objs(kk) = mat1.objs(kk) .* mat2.objs(kk);
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138 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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139 case 'rdivide'
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140 % rdivide operation
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141 for kk = 1:numel(mat1.objs)
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142 mat.objs(kk) = mat1.objs(kk) ./ mat2.objs(kk);
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143 end
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144 end
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145
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146 if ~callerIsMethod
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147 mat.name = [varNames{1} opsym varNames{2}];
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148 mat.addHistory(infoObj, pl, varNames, [mat1.hist mat2.hist]);
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149 end
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150
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151 varargout{1} = mat;
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152
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153 end
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154