Homepage › Solution manuals › Gilbert Strang › Linear Algebra and Learning from Data › Exercise 6.2.2
L(x,λ) = 1 2(x12 + 4x 22) + λ(2x 1 + x2 − 5), taking derivatives w.r.t. x1,x2,λ, we have
Solve the equations we have x1∗ = 40 17,x2∗ = 5 17,λ∗ = −20 17
