how to get plus and minus sign element of matrix at the same time?
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I have a matrix like n=[x,y,z] I need to consider plus and minus sign of x,y and z "at the same time" because I need unique permutation of mix signs as well s.t. [-x,y,z],[x,-y,-z],etc.
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Sean de Wolski
il 16 Mag 2013
[xx yy zz] = meshgrid(-1:1);
[xx(:) yy(:) zz(:)]
?
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Sean de Wolski
il 16 Mag 2013
That was just to demonstrate, if you don't want zeros:
meshgrid([-2 -1 1 2]);
If you have x y and z, this is equivalent to:
meshgrid([-x -y -z x y z]);
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