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create a matrix from a matrix x=[-2 -1 0 1 2]; which follow quadratic equations

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Abinash Baral
Abinash Baral 2016-11-30
评论： Abinash Baral 2016-11-30
Hi everyone, i want to create a matrix from this matrix x=[-2 -1 0 1 2] in such a way that resultant matrix is [ (-2^2),(-2^1),(-2^0); (-1^2),(-1^1),(-1^0); (0^2),(0^1),(0^0); (1^2),(1^1),(1^0); (2^2),2^1),(2^0) ]

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Alexandra Harkai
Alexandra Harkai 2016-11-30
x = [-2:2];
y = [2:-1:0];
bsxfun(@power, x', y)

更多回答（1 个）

Andrei Bobrov
Andrei Bobrov 2016-11-30
编辑：Andrei Bobrov 2016-11-30
x = [-2 -1 0 1 2];
out = x(:).^(2:-1:0); % for R2016b

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