function [gamma] = gamma_minimized(f, grad_f, x0) % Calculates the step based on minimizing f(xk​− γ*∇f(xk)) % % % f: Objective function % grad_f: Gradient of objective function % x0: Initial (x,y) point % Define the line search function g(gamma) = f(x0 - gamma * grad) grad = grad_f(x0(1), x0(2)); g = @(gamma) f(x0(1) - gamma * grad(1), x0(2) - gamma * grad(2)); % Perform line search gamma = fminbnd(g, 0, 1); % ToDo: Check if we can use fmin_bisection_der % from the previous assigment here! end