Creating an array of vectors
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Hello everyone. I have a list of 3d vectors representing positions in space and need to generate an array (A) with the following form.
In 2d: X=[X0 X1 X2 ... Xn] Y=[Y0 Y1 Y2 ... Yn]
A=[X0 Y0; X0 Y1; X0 Y2; X1 Y0; X1 Y1; X1 Y2; X2 Y0; X2 Y1; X2 Y2; ... ; Xn Yn]
As mentioned, I'll actually need it in 3d. I provided the 2d example for simplicity.
Thank you for your help!!
2 Comments
Walter Roberson
on 1 Jul 2018
Is every X to be used with every Y, or is it only adjacent coordinates? Like *2 linked to *1, *2, *3 but not *0 ?
Accepted Answer
Walter Roberson
on 1 Jul 2018
For the case of every point linked to every other point:
[T1, T2, T3] = ndgrid(X, Y, Z);
A = [T1(:), T2(:), T3(:)];
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