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h : X ~ =

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h

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− 5 + 3µ + λ 4 + 4µ − 8λ

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| ² = | −→

| ² + | −−→

| ²

~n ^T · ~u = 0 : 4n 1 − n 2 + 8n 3 = 0

~n ^T · ~v = 0 : 4n 1 + 3n 2 + 4n 3 = 0

ν ₋₇

~n = ₋₇

−−→ GH + µ~v + σ~n + λ~u = ~ 0 || · ~n ^T

~n ^T · −−→ GH + ~n ^T · µ~v

+~n ^T · σ~n + ~n | {z } ^T · λ~u

~n ^T · −−→ GH + σ~n ^T · ~n = 0

σ = − ~n ^T · −−→ GH

~n ² = − 1 81