plot and calculate integral

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Hanna Norberg
Hanna Norberg 2016-5-16
回答： Roger Stafford 2016-5-16
I need to create a script that calculates and plots an integral of any function. I am not allowed to use quad, I'm supposed to replace quad I guess. I am completely lost, does anyone know what to do?
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Star Strider
Star Strider 2016-5-16

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Roger Stafford
Roger Stafford 2016-5-16
I wrote a routine for the File Exchange which computes a cumulative integral using cubic (third degree) approximation which you might like to use. It can be downloaded from:
http://www.mathworks.com/matlabcentral/fileexchange/19152-cumulative-cubic-integration

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