Accumulate type function for particular row

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Aditya Sharma
Aditya Sharma 2020-6-26
评论： Aditya Sharma 2020-6-26
In C++ there is an accumulate function which can sum a vector.
I have a 2D array of which i want to find sum of the elements of a particular row.
Any way to do it besides "for" loop?

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Aditya Gupta
Aditya Gupta 2020-6-26
Maybe you are looking for cumsum() : https://www.mathworks.com/help/matlab/ref/cumsum.html
It works like :
summ=cumsum(arr,row_number)

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