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

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1 First example \(f(u) = (11-u_1-u_2)^2 + (1+u_1+10 u_2-u_1 u_2)^2\)

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

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