Re: recreate array original

[Dmitri A. Sergatskov]

On Thu, Aug 1, 2019 at 2:18 PM gigiolone123 <address@hidden> wrote:
>
> hi,
> i look your site but i don't understand how can i do it..
>
> i give you another example:
>
> a =  1 3 4..
>        4 2 1..
>        2 4 5..
>        .. . ..
>
> I have several pairs of rows and columns
>
> b :  1 3 ......(row)
> c:   2 3 ......(colum)
>
> d=zeros(size(a));
>
> for i=1:length(x)
>    d(b(x),c(x))= a(b(x),c(x))
> endfor
>
> it's possible to do it avoid loop?
>
> thank
>
>

You can convert your original matrix into vector aa= a(:); do find thing
and then recover the aa vector and then reshape() it back to original
matrix.

Dmitri.
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