i have a proplem with some matrix
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how can i get [10 0;0 10] and [-10 0 ;0 -10] from squre root of [100 0;0 100] ali
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Geoff Hayes
il 23 Dic 2014
Ali - if you assume that all elements in your matrix are positive, then you could use the sqrt function as
A = [100 0 ; 0 100];
R1 = sqrt(A);
R2 = -sqrt(A);
mohammad
il 23 Dic 2014
You can use this
A = [100 0 ; 0 100];
syms B
solve('B*B-A')
this gives you two answers and if arrays of A are negative, there will be no problem.
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