1 First example                     2                       2
f(u) = (11−  u1 − u2) + (1 + u1 + 10u2 − u1u2 )

 1.1 compare steepest descent optimal step with conjugate gradient
 1.2 compare steepest descent optimal step with conjugate gradient, larger range
 1.3 compare steepest descent optimal step with fixed step h=0.25
 1.4 compare steepest descent optimal step with fixed step h=0.1