Andreas Andreakis a écrit :
Hi Luc,
thank you very much for your quick and very detailed explanation. I´ll
try out your suggestions very soon.
You mentioned, that there are better method in order to deal with such
problems. Which are those methods ?
Constraint Programming. This is a mathematics fields by itself.
Can you recommend a library which implements them ?
The major player in this field is ILOG. This company provides various
proprietary libraries in various languages. The libraries are
efficients, the guys behind them are *very* good, and the libraries are
... really expensive. There are other commercial solutions apart from ILOG.
On the open-source side, you may try Choco (http://choco-solver.net/). I
never used it myself but would be very interested if you could provide
me feedback about it.
P.S.: don´t worry, I´m using commons math for other kind of calculations
anyway ;))
I am aware the solution I provided to you was a simple dirty trick, it
is neither elegant nor efficient. By the way, rather than ck = pk², I
now think ck = exp(pk) would be a better variable change (but it still
is a dirty trick).
Luc
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