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Question: How to exclude integer terms that are not a given function with generic arguments?

Question:How to exclude integer terms that are not a given function with generic arguments?

Gabriel Barcellos 65 Maple
select
November 08 2023
2

Once the terms have been selected, as below

I only need to keep terms that contain a certain function with generic arguments, for example, tanh(x), in this case, that is, I want from A01

-(m2/4) tanh(2k-2ç)+(m2/16) tanh(4k+2ç)+-(m2/4) tanh(2k+2ç)+(3m2/8) tanh(2ç)

and delete the terms

3/16-(3/16)m2^2

What's the best command to make that? In other words, always exclude terms that do not accompany tanh
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