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gitinore *.txt files
[wrf-fire-matlab.git]
/
femwind
/
hexa_coupling.m
blob
fd0de63ea940570f919dd3d7ff895d6e7cdaf893
1
function C=hexa_coupling(a,d)
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% hexa_coupling(a,d)
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% example: hexa_coupling([1,1,100],[1,1,1])
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% lexicographic unit cube
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% x y z
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X0 = [0 0 0 %1
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1 0 0 %2
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0 1 0 %3
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1 1 0 %4
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0 0 1 %5
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1 0 1 %6
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0 1 1 %7
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1 1 1 %8
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]';
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% 7-----8
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% /| /|
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% 5-----6 |
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% | | | |
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% | 3---|-4
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% |/ |/
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% 1-----2
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% linear transformation
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X=diag(d)*X0;
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A=diag(a);
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u = [1, 2, 3]';
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[K, F, Jg] = hexa(A,X,u);
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D=diag(diag(K).^(-1/2));
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C=D*K*D;
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end