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Cumulative sum of rainfall

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Saleem Sarwar
Saleem Sarwar 2015-9-30
编辑： Andrei Bobrov 2015-9-30
I require cumulative sum of rainfall of 5 days and so. For first 4 days, rainfall will be same as observed on that day, rainfall of 5th day will be sum of first 5 days rainfall, 6th day rainfall will be 2 to 6 day rainfall and son on. Please suggest script for that kind of computation. I have daily rainfall from 1950 to 2013.

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回答（1 个）

Andrei Bobrov
Andrei Bobrov 2015-9-30
编辑：Andrei Bobrov 2015-9-30
Use function of MATLAB - conv2:
R = randi(45,20,1); % Let R - your data of rainfall
out = conv2(R(:),ones(5,1)/5,'same');

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