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annotate m-toolbox/classes/@ssm/blockMatFusion.m @ 32:e22b091498e4 database-connection-manager

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Update makeToolbox
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % fusions a block defined matrix stored inside cell array into one matrix
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: blockMatFusion fusions a block defined matrix stored inside cell
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5 % array into one matrix
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6 %
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7 % CALL: [mat3] = ssm.blockMatFusion(cell1, rowsizes, colsizes)
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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 % rowsizes - vector giving block height
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13 % colsizes - vector giving block width
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14 %
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15 % OUTPUTS:
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16 % mat3 - double or symbolic array
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17 %
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18 % NOTE : function is private to the ssm class
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19 %
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20 % VERSION: '$Id: blockMatFusion.m,v 1.3 2010/08/27 13:02:45 adrien Exp $'
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21 %
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22 % TO DO :
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23 % check ME in case of mixed symbolic and double
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24 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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25
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26 function a_out = blockMatFusion(a, rowsizes, colsizes)
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27 % to deal with matrices whose size is not defined
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28 rowrank = cumsum([1 rowsizes]);
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29 colrank = cumsum([1 colsizes]);
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30 Nrow = length(rowsizes);
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31 Ncol = length(colsizes);
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32 isEmpty = cellfun(@isempty, a);
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33
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34 a_out = zeros(rowrank(Nrow+1)-1, colrank(Ncol+1)-1);
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35 for ii=1:Nrow
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36 for jj=1:Ncol
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37 if ~isEmpty(ii,jj)
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38 rowmin = rowrank(ii);
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39 rowmax = rowrank(ii+1)-1;
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40 colmin = colrank(jj);
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41 colmax = colrank(jj+1)-1;
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42 try
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43 a_out(rowmin:rowmax, colmin:colmax) = a{ii,jj};
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44 catch ME
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45 a_out = sym(a_out);
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46 a_out(rowmin:rowmax, colmin:colmax) = sym(a{ii,jj});
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47 end
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48 end
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49 end
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50 end
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51 end