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annotate m-toolbox/classes/@ssm/blockMatFillDiag.m @ 10:75007001cbfe database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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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: blockMatFillDiag ensures the extended diagonal terms contain
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5 % the matrix size information
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6 %
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7 % CALL: a = blockMatFillDiag(a, isizes, jsizes)
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8 % INPUTS:
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9 % a - cell array of matrices representing a matrix by blocs.
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10 % blocs may be empty
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11 % isizes - heigth of the elements in the lines
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12 % jsizes - width of the elements in the rows
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13 %
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14 %
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15 % OUTPUTS:
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16 % cell3 - cell array of matrices representing a matrix by blocs.
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17 % blocs may be empty
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18 %
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19 % NOTE : function is private to the ssm class
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20 %
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21 % VERSION: '$Id: blockMatFillDiag.m,v 1.4 2011/04/08 08:56:23 hewitson Exp $'
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22 %
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23 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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24
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25 function a = blockMatFillDiag(a, isizes, jsizes)
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26 if ~isempty(a) % checking the cell array is not of empty size
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27 ni = numel(isizes);
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28 nj = numel(jsizes);
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29 for p=1:(max(ni, nj))
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30 ii = min(p, ni);
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31 jj = min(p, nj);
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32 if isempty(a{ii,jj})
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33 a{ii,jj} = zeros(isizes(ii), jsizes(jj));
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34 end
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35 end
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36 end
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37 end