rejection method

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Raphael
Raphael 2012-5-28
Hey all,
i created a 2xn matrix where the first row indicates time uniformly distributed... However i want to delete from the matrix columnwise if in the first row the time takes the value 0. i tried to do this using an if algorithm however it seems to reject all values and i end up with an empty matrix. does anybody know how to fix this?
Thanks for your help!

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回答（1 个）

per isakson
per isakson 2012-5-28
Firstly, it would probably be more efficient to use a .<nx2> matrix. Matlab is column oriented.
Try
M( :, M(:,1)==0 ) =[];

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