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unable to simplify to float approximation with a gamma function

asked 2016-12-07 09:29:03 +0200

anonymous user


I'm very new to Sage, so please forgive me if this is a trivial question. I've been trying to specify a function as follows:

p(x,a,b) =  x * math.gamma(a + b)

However, I get the following error message:

TypeError: unable to simplify to float approximation

How do I specify the function p() that contains a Gamma function? I was thinking I could create a Python function (i.e. starting with def(x,a,b)) and then put the code inside the function body, but I have a feeling I'm missing something.

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answered 2016-12-07 16:32:59 +0200

slelievre gravatar image

No need to use math.gamma, you can just use gamma.

This works for me.

sage: p(x,a,b) =  x * gamma(a + b)
sage: p(2,3,4)
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Asked: 2016-12-07 09:29:03 +0200

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Last updated: Dec 07 '16