Alejandro's profile - activity

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2012-03-09 14:08:49 +0200	commented answer	Difficult integral? Exactly, Sage doesn't recognize it. So, i'm completely stuck :S
2012-03-09 12:08:44 +0200	answered a question	Difficult integral? Thanks for your answers! I tried to use the mathematica_free algorithm. There is an additional problem: the constant b is indeed a function some variable y. It is of course a constant, but it is undetermined when integrating the function. So, Sage returns: NotImplementedError: Mathematica online integrator can only handle single letter variables. Alejandro
2012-03-09 12:02:24 +0200	commented answer	Difficult integral? Oh, I see, i didn't know the mathematica_free algorithm. If i understand correctly, Sage is taking the result from the online integrator, isn't it? The next question is if i can work further with that result. For example, evaluate it, etc.
2012-03-09 11:53:52 +0200	commented answer	Difficult integral? In that case, i should stick to Mathematica, I guess...
2012-03-09 10:01:34 +0200	asked a question	Difficult integral? Hello all, I'm trying to get the integral with respect to x of the following expression: (a / x + b(y) * x ^ c) ^ d, where a,c,d are positive constants, and b is a function of some variable y. I'm not sure what I'm doing wrong. Can you help me? I got a solution in Mathematica (some hypergeometric function), but Mathematica is a software that I'm trying not to use anymore. Best, Alejandro