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brianko's profile - activity

2019-06-27 22:47:31 +0100 commented answer Convert real matrix into Integer matrix

This appears to be the correct answer. None of the methods in the previous answer will do the conversion between RR and ZZ. I would upvote, but silly karma policies prevent it.

2019-02-10 09:16:20 +0100 commented answer why gives a wrong result?

Here's another one that doesn't integrate correctly:

integrate(sqrt(1+cos(x)^2),x,0,pi)

This doesn't work either:

integrate(sqrt(1+cos(x)^2),x,0,pi,algorithm='sympy')