User Portlet
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| My problem is similar to [this][1] question, but with a slight difference. My original function has a few more variables and needs to be minimized by `NMinimize`. Here is a simple exemple of my problem, based on the solution [here][2]. mydata2... |
| I let Mathematica run overnight the following code Integrate[(r^2 Cos[A r Cos[x]] Exp[-r^2/2])/(a^2 Cos[x]^2 + b^2 Sin[x]^2), {r, 0, Infinity}, {x, 0, Pi/2}] but it was unable to compute the closed form in that time. However,... |
| Yes, but this function is just a simple example. My original function is more complicated, so I need NIntegrate. |
| The Appell's series, `AppellF1[a,b1,b2,c,z1,z2] `, is defined for `|z1| |
| How the [Humbert series][1] is implemented in Mathematica? Is there a built-in function? [1]: https://en.wikipedia.org/wiki/Humbert_series |