1.4 compare steepest descent optimal step with fixed step h=0.1

The objective function is \(f(u) = (11-u_1-u_2)^2 + (1+u_1+10 u_2-u_1 u_2)^2\)

Starting from \(u^0=\{0.4;4.3\}\).

steepest descent, optimal step size, 47 iterations

steepest descent, fixed step size \(h=0.1\), 114 iterations