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annotate +blockmatrix/getDivision.m @ 774:66eb4a2bbb72 feature/grids

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Remove default scaling of the system. The scaling doens't seem to help actual solutions. One example that fails in the flexural code. With large timesteps the solutions seems to blow up. One particular example is profilePresentation on the tdb_presentation_figures branch with k = 0.0005
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 18 Jul 2018 15:42:52 -0700
parents a5f1b0267dba
children
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f0ef314e2070 blockmatrix: added function to calculate the block division for a given blockmatrix.
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1 function div = getDivision(bm)
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2 if ~blockmatrix.isBlockmatrix(bm)
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3 error('blockmatrix:getDivision:NotABlockmatrix', 'Input is not a blockmatrix');
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4 end
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6 if isempty(bm)
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7 div = {[],[]};
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8 return
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9 end
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11 div = {row_height(bm),col_width(bm)};
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12 end
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15 function m = col_width(C)
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16 m = zeros(1,size(C,2));
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17 for j = 1:size(C,2)
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18 for i = 1:size(C,1)
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19 if isNullMatrix(C{i,j})
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20 continue
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21 end
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22 m(j) = size(C{i,j},2);
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23 end
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24 end
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25 end
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27 function n = row_height(C)
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28 n = zeros(1,size(C,1));
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29 for i = 1:size(C,1)
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30 for j = 1:size(C,2)
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31 if isNullMatrix(C{i,j})
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32 continue
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33 end
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34 n(i) = size(C{i,j},1);
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35 end
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36 end
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37 end
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39 function b = isNullMatrix(A)
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40 [n, m] = size(A);
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41 b = n == 0 && m == 0;
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42 end