Need help on how sympy integration works.

[Abhishek Garg]

I am a newbie to sympy and was trying to solve the problem mentioned in the issue https://github.com/sympy/sympy/issues/10072 .
I need help to understand what algorithms does sympy follow to integrate different expressions.
Thanks in advance !

[Aaron Meurer]

There are several algorithms. The docstring of integrate (run
help(integrate)) outlines the important ones.

For this one, the simplest way forward is to extend manualintegrate to
recognize some special functions (Si in particular). Manual integrate,
as the name suggests, does integration similar to how you would do
things by hand, so it should be pretty straightforward to understand
how the algorithm works.

Aaron Meurer

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