Re: accessing multiple elements of matrix

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Re: accessing multiple elements of matrix

Walter Roberson	16 Jul 2008 22:46
>x = [1 4 2] >y = [8 2 4] >what I'd like to do is recover the elements >A(1,8) >A(4,2) >A(2,4) A(sub2ind(size(A),x,y)) Signature "Product of a myriad various minds and contending tongues, compact of obscure and minute association, a language has its own abundant and often recondite laws, in the habitual and summary recognition of which scholarship consists." -- Walter Pater

Alistair Templeton	16 Jul 2008 22:29
So I have a matrix A. Elsewhere in my code I generate a vector x and vector y, for example x = [1 4 2] y = [8 2 4] what I'd like to do is recover the elements A(1,8) A(4,2) A(2,4) Is there a cleaner way to do this than something along the lines of: A(x+(y-1)*size(A,1))

Re: accessing multiple elements of matrix

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