"Toan Cao" <email@example.com> wrote in message news:firstname.lastname@example.org... > "Steven_Lord" <email@example.com> wrote in message > <firstname.lastname@example.org>...
> As i know, Levenberg-Marquardt, Gauss-Newton methods use f(x) to calculate > the Jacobian matrix. If i just have F(x) ( not f(x) ), how does > optimization solvers compute this matrix? Can you explain for me the way > that the solvers implement ?
I believe the documentation for Optimization Toolbox and Global Optimization Toolbox describe the algorithms the functions in those two toolboxes use in some detail.
> Actually, i need to understand more deeply and hope to modify somethings > for my specific function.