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10 lines
262 B
10 lines
262 B
%DIFF2 Two point difference
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%
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% D = DIFF2(V) is the 2-point difference for each point in the vector v
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% and the first element is zero. The vector D has the same length as V.
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%
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% See also DIFF.
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function d = diff2(v)
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[r,c] =size(v);
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d = [zeros(1,c); diff(v)];
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