File:Minimum fonction scilab.svg
Summary
| Description |
Français : Minimum de la fonction pseudo-convexe différentiable avec scilab.
English: Minimum of the différentiable pseudo-convex function avec scilab. |
| Date | |
| Source | Own work |
| Author | Cdang |
Scilab source
 |
This media was created with Scilab, a free open-source software. Here is a listing of the Scilab source used to create this file. |
function [y] = fonction(x)
y = x.*x + 5*sin(x);
endfunction
function [f, g, ind] = cout(x, ind)
f = fonction(x);
g = numderivative(fonction, x);
endfunction
n = 40;
x = linspace(-2*%pi, 2*%pi, n);
y = cout(x);
x0 = 0;
[fopt, xopt] = optim(cout, x0);
plot(x, y);
plot(xopt, fopt, "k+");
xtitle("$\text{Minimum de la fonction }y = x^2 + 5\sin x$");
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