Reshape a matrix in different way

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Moe
Moe 2014 年 11 月 3 日
編集済み: per isakson 2014 年 11 月 3 日
Is there any other way to re-code this function (perhaps with for loop):
mmm = [2;3;4;8;9;11;13;14;15;16];
Dmm = zeros(2*size(mmm),1);
Dmm = reshape(bsxfun(@minus,2*repmat(mmm,1,2),[1 0])',1,[])'
  1 件のコメント
Adam
Adam 2014 年 11 月 3 日
There are always a multitude of different ways to program something and pretty much always a loop equivalent to vectorisation and bsxfun. The for loop equivalent should be easy enough to define though it's not obvious why you would want to - people usually wish to go in the other direction!

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per isakson
per isakson 2014 年 11 月 3 日
編集済み: per isakson 2014 年 11 月 3 日
Is this Cody?
reshape( permute( cat( 2, 2*mmm-1, 2*mmm ), [2,1] ), [],1 )
or with fewer characters
reshape( permute( [2*mmm-1,2*mmm], [2,1] ), [],1 )
or
reshape( [2*mmm-1,2*mmm]', [],1 )

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