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Question: Numerical integration problem

Question:Numerical integration problem

casperyc 962 Maple 15
integration numeric
March 22 2012
2

myf:=(mu,sigma)->int(exp(-(x-mu)^2/2/sigma^2)/sigma/sqrt(2*Pi)/(1+exp(-x)),x=-infinity..infinity);

plot3d('myf(mu,sigma)',mu=-5..5,sigma=0.5..10);

This plot was never created. I think it's taking too long to evaluate it when it's divegent.

 

Hi all,

For my research purpose, I need to integrate this function. I understand that there maybe values for which this integration is divegent. But is there a way to look into it? Say creat a list of mu and sigmas and apply them to the function 'myf'?

 

Thanks.
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