annotate general/numerical/measure.m @ 4:e44f49929e56
Adding reorganised general toolbox, now in several subdirectories.
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samer |
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Sat, 12 Jan 2013 19:21:22 +0000 |
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1 function b=measure(x,l)
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2 % measure - returns vector in given direction but with a different length
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3 %
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4 % measure :: [[N]] -> [[N]] ~'unit vector of length 1'.
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5 % measure :: [[N]], L:nonneg -> [[N]] ~'vector of length L'.
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6
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7 if nargin<2, l=1; end
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8 b=(l/norm(x))*x;
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