[Scilab-users] How can I solve simultaneous eqs with "dynamic" boundaries ?

[Adrien Vogt-Schilb]

Hy Toschi

I guess one way is to use qpsolve (or qp_solve or quapro), using 0<xi<1 
as bounds, and adding the linear constraint x1-x2<0 (or maybe x1+x2 <= 1 )

On 08/05/2014 03:14, toshi wrote:
> Hi!
>
> I'm trying to solve simultaneous equations using Scilab.
> The constraints of the variables are like 0 < x1 < x2 < 1.
> A program using leastsq shown below does not work:
> ----------------------------------------------
> binf =  [         0,  xopt(1)];
> bsup = [xopt(2),          1]
> [fopt, xopt] = leastsq(myfunc, 'b',binf,bsup, x0)
> ----------------------------------------------
> Obviously because xopt(1) and xopt(2) are not determined
> before calling leastsq but they are used as boundaries.
>
> So, could somebody tell me how to solve this kind of problem ?
>
> toshi
>
>
>
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-- 
Adrien Vogt-Schilb
Consultant (World Bank) and PhD Candidate (Cired)
1 202 473 7980