multimin with non-linear constraints

[Jerome BENOIT]

Przemyslaw Sliwa wrote:
> The optimization routines with nonlinear constrains are definitely not
> trivial. I have the source code for feasible sequential quadratic
> programming of Prof. A. Tits. And it contains more than 10.000 lines of
> code. So we need a specialist to code it.

Finally I made an appropriate change of variable
such that the constaints disappear:
apparently this is the best idea.

> 
> Best
> 
> Przem
> 
> 
>