How to swap columns of matrix zeros(2,n)

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amina shafanejad
amina shafanejad 2015-4-22
评论： Star Strider 2015-4-22
Hello everyone
I'm working on one project which in need to swap all the columns of the matrix zeros(2,n) which i want to swap the first column with last column, second with second column from last, third column from third column from last and so on can anybody help me with it thank you.
  2 个评论
Jos (10584)
Jos (10584) 2015-4-22
Eh ... swapping two columns filled with zeros has no net effect, or does it?
Star Strider
Star Strider 2015-4-22
@Jos — As is the case with a lot of Questions here, I suspect this is a proxy for a different problem.

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Star Strider
Star Strider 2015-4-22
From your description, the fliplr function would work.

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Joseph Cheng
Joseph Cheng 2015-4-22
编辑：Joseph Cheng 2015-4-22
well you can achieve this by
test = randi(10,2,10)
hfliptest = test(:,end:-1:1)
i cant remember if there is a built in function to do this. perhaps someone else knows but this should do it.
**edit oh there it is fliplr.

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