how do I create a matrix of array?

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Carlo Alessi
Carlo Alessi 2017-2-19
回答： Matt J 2017-2-19
I want to create a matrix of data points like this
[0,0] [0,1] [0,2]
[1,0] [1,1] [1,2]
[2,0] [2,1] [2,2]
so that Ideally if I access the position (2,2) I'll get the array [1 1], which represent a point.

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回答（1 个）

Matt J
Matt J 2017-2-19
[I,J]=ndgrid(0:2,0:2);
A=reshape([I(:),J(:)].', [2,1,3,3]);
A=permute(A,[2,1,3,4]);
>> A(:,:,2,2)
ans =
1 1

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