It is impossible for me to know. It may in fact not be a problem with either, but rather that the problem you specified is infeasible. But, as I said, I have no way of knowing.
-- Ray Zimmerman Senior Research Associate B30 Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Feb 10, 2014, at 8:44 AM, amel zerigui <[email protected]> wrote: > Hi, > I changed the equality constraints of matpower by adding new constraints, in > same way I changed also the Jacobian matrix, and when I checked the computed > first derivative, I found this result: > > Nonlinear equality constraint derivatives: > Maximum relative discrepancy between derivatives = 4.44985e-009 > > This mean the modification is correct, then I estimated the hessian by using > BFGS but the optimal point found is: > > No feasible solution found. > > I would like to know if the problem is Matlab problem or Matpower. > > Thanks for help. > > >
