function g = rosenbrock_gradient(x1, x2)
- ##
- ## The gradient of the Rosenbrock function. See rosenbrock.m for more
- ## information.
- ##
+ %
+ % The gradient of the Rosenbrock function. See rosenbrock.m for more
+ % information.
+ %
f_x1 = -400*x1*(x2 - x1^2) + 2*x1 - 2;
f_x2 = 200*(x2 - x1^2);
g = [f_x1; f_x2];