Split symbolic function by terms

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Skye
Skye 2014-1-19
编辑： Dyuman Joshi 2023-11-6
In general i have a function that looks like
f = f1 + f2 + f3 +...+fn
and i want to address/modify/evaluate only f1 or f2 or f3. For example
f = 1/(x*y-1) + (x+2)/(y^2*(x-1)) + 1/(x^2*y^3-1)
and i want to get only 1/(x*y-) or one of the other two.

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Walter Roberson
Walter Roberson 2014-1-19
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Dyuman Joshi
Dyuman Joshi 2023-11-6
移动：Dyuman Joshi 2023-11-6
Yes, this has been provided in the answer above, ~9 years ago.
Why repeat it, after such a long time?
Walter Roberson
Walter Roberson 2023-11-6
移动：Dyuman Joshi 2023-11-6
The url for children() changed so it is valid to post the updated url

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