annotate general/arrutils/foldrcols.m @ 13:03694e5c8365
Reorganised some high order list functions to correct class-based method dispatch; fixed some docs.
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samer |
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Wed, 16 Jan 2013 12:12:34 +0000 |
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1 % foldrcols - fold array columns from the right
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2 %
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3 % foldrcols :;
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4 % ([[M]], [[N]] -> [[M]]) ~'folding function',
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5 % [[M]] ~'initial value',
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6 % [[N,L]] ~'data to scan, sequence of length L'
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7 % -> [[M]].
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8
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9 function y=foldrcols(f,y,X,varargin)
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10 for i=size(X,2):-1:1, y=f(y,X(:,i)); end
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11 end
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12
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13
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