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How to change sign in a cell?

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Xh Du
Xh Du 2017-1-9
评论： Xh Du 2017-1-10
Hi all:
I have a cell 'respPreStore' like this:
size(respPreStore)
ans =
1 2 5 2
each cell element is
respPreStore(:,:,1,1) =
[12x4 double] [12x4 double]
Now I simply want to change sign of each value in respPreStore, however if I do:
-respPreStore
Undefined function 'uminus' for input arguments of type 'cell'.
How can I change sign of each value in respPreStore?
Many thanks!

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采纳的回答

James Tursa
James Tursa 2017-1-9
编辑：James Tursa 2017-1-9
respPreStore = cellfun(@uminus,respPreStore,'uni',false);

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