Chapter 7.3 - 7.5 Flashcards by alexia oltramare

Q

Quadratic form (Rⁿ)

A

Q_A(x) = x^TAx = a₁x₁²+ a₂x₂² + … + a_nx_n²

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Q

Quadratic form associated with matrix A

A

Q_A(x) = x^TAx

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Q

Orthogonal change of variable

A

x = Py

If P is orthogonal

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