how to calculate the probability under a pdf curve and divide it into different sections (areas)?

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kas
kas 2015 年 11 月 2 日
コメント済み: Petar Pavic 2018 年 5 月 5 日
I have a few probability plots both pdf and cdf such as weibull or gaussian probabilities. the x axis is between some numbers. I divide the pdf plot into different parts (four parts). when how can i find the area underneath each of this sections? the some of all four sections should be 1.

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回答 (1 件)

Udit Gupta
Udit Gupta 2015 年 11 月 2 日
Assuming you have the curves as a matlab vector, you can use the trapz function to find area under it.
See http://www.mathworks.com/help/matlab/ref/trapz.html

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