HOW TO WRITE SUMMATION FORM ∑_(i=1) (L-1)

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sheeba
sheeba on 4 Sep 2013
LOWER LIMIT IS i=0, upper limit is L-1(L=256)

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Answers (2)

Laurent
Laurent on 4 Sep 2013
Make an appropriate vector with the values that you want to sum (or select the values from an array containing them) and use the command 'sum'.
Matt J
Matt J on 4 Sep 2013
Edited: Matt J on 4 Sep 2013
Are you trying to sum the first 256 elements of an array? If so, you would do as follows
sum(x(1:256))
Or, if length(x) is 256, then you would just do
sum(x)

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