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Cumulative sum along an axis
Posted 26.02.2017, 17:41 GMT-5 2 Replies
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Hi all,
I would like to calculate the cumulative sum in COMSOL without exporting data to Matlab. How can I achieve this ? Let's say my values are y(x) = [0,1,2,3,4,5] and I would like to get cumsum(y) = [0,1,3,6,10,15].
A push in the right direction would be highly appreciated :)
I would like to calculate the cumulative sum in COMSOL without exporting data to Matlab. How can I achieve this ? Let's say my values are y(x) = [0,1,2,3,4,5] and I would like to get cumsum(y) = [0,1,3,6,10,15].
A push in the right direction would be highly appreciated :)
2 Replies Last Post 27.02.2017, 19:38 GMT-5
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Posted:
8 years ago
Hello Christian,
This blog, and in particular the section on the anti-derivative, should help:
www.comsol.com/blogs/overview-integration-methods-space-time/
Best,
Jeff
This blog, and in particular the section on the anti-derivative, should help:
www.comsol.com/blogs/overview-integration-methods-space-time/
Best,
Jeff
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Posted:
8 years ago
Hi Jeff,
many thanks, its a lot clearer now and I was able to implement it using the steps described in a follow-up blog post:
www.comsol.com/blogs/integrals-with-moving-limits-and-solving-integro-differential-equations/
Cheers,
Christian.
many thanks, its a lot clearer now and I was able to implement it using the steps described in a follow-up blog post:
www.comsol.com/blogs/integrals-with-moving-limits-and-solving-integro-differential-equations/
Cheers,
Christian.