$\min f(x)=2(x_1^2+x_2^2-1)-x_1$

subject to

$x_1^2 + x_2^2 = 1$

Detailed Description

$\min f(x)=2(x_1^2+x_2^2-1)-x_1$

subject to

$x_1^2 + x_2^2 = 1$

Definition in file ex1905.m.

Function Documentation

Parameters

x	value of the variables
index	If 0, the objective function is evaluated. If not, the constraint number index is evaluated.

Returns: f value of the function; g value of the gradient; H value of the hessian