matrix sum with extending dimensions
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Fangzhou Wang
il 8 Apr 2016
Modificato: Azzi Abdelmalek
il 8 Apr 2016
If there are two matrices like a=[1,0;0,1] b=[2,0;0,2], is there any command by which I get a 3x3 matrix as c=[1,0,0;0,3,0;0,0,2]?
I just add the last element in a with first element in b and then get a new matrix with extending dimension.
Thank you,
Rick
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Azzi Abdelmalek
il 8 Apr 2016
Modificato: Azzi Abdelmalek
il 8 Apr 2016
a=[1,0;0,1]
b=[2,0;0,2]
ad=diag(a),
bd=diag(b),
dc=[ad(1:end-1) ;ad(end)+bd(1) ; bd(2:end)]
c=diag(dc)
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