Mercurial > hg > ltpda

annotate m-toolbox/classes/@ssm/blockMatAdd.m @ 51:9d5c88356247 database-connection-manager

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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 % adds corresponding matrices of same sizes or empty inside cell array
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: blockMatAdd adds corresponding matrices of same sizes or empty inside
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5 % cell array
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6 %
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7 % CALL: [cell3] = ssm.blockMatAdd(cell1,cell2)
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8 %
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9 % INPUTS:
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10 % cell1 - cell array of matrices representing a matrix by blocs.
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11 % blocs may be empty
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12 % cell2 - cell array of matrices representing a matrix by blocs.
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13 % blocs may be empty
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14 %
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15 % OPTIONNAL INPUTS:
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16 % isnotempty_1 - logical array tells ~isequal(cell1{ii,jj},[])
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17 % isnotempty_2 - logical array tells ~isequal(cell2{ii,jj},[])
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18 %
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19 % OUTPUTS:
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20 % cell3 - cell array of matrices representing a matrix by blocs.
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21 % blocs may be empty
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22 %
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23 % NOTE : function is private to the ssm class
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24 %
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25 % VERSION: '$Id: blockMatAdd.m,v 1.4 2010/08/27 13:02:45 adrien Exp $'
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26 %
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27 % TO DO :
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28 % check ME in case of mixed symbolic and double
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29 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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30 function a = blockMatAdd(varargin)
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31 a=varargin{1};
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32 b =varargin{2};
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33 Nrow = size(a,1);
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34 Ncol = size(a,2);
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35 if nargin ==4
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36 error('please remove the emptiness array as arguments, as they are not used anymore')
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37 else
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38 for ii=1:Nrow
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39 for jj=1:Ncol
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40 if min(jj,Nrow)==min(ii,Ncol)
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41 % if we are on the extended diagonal, matrices should be there, add!
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42 try
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43 a{ii,jj} = a{ii,jj} + b{ii,jj};
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44 catch ME
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45 a{ii,jj} = sym(a{ii,jj}) + sym(b{ii,jj});
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46 end
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47 elseif ~isequal(a{ii,jj}, []) && ~isequal(b{ii,jj}, [])
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48 % if both matrices are non-empty
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49 try
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50 a{ii,jj} = a{ii,jj} + b{ii,jj};
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51 catch ME
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52 a{ii,jj} = sym(a{ii,jj}) + sym(b{ii,jj});
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53 end
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54 elseif ~isequal(b{ii,jj}, [])
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55 % if only the b is not empty
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56 a{ii,jj} = b{ii,jj};
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57 end
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58 end
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59 end
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60 end
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61 end