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When solving for x in Ax=b, why is A\b faster that A^-1 * b?
if true % code A = [1,2,-1;2,5,-1;1,3,-3]; b = [6;13;4]; tic for i=1:1000 X = A\b; end toc tic for i=1:1000...
8 years 前 | 1 个回答 | 0
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How do I identify each element in a cell array as a string or a number?
I have a cell array A = {2,8,10,'Good',15,3,21,'Morning',12,26,9,'Joe'}. I want to perform a function on each element depending...
9 years 前 | 2 个回答 | 0
