Chapter 7.3 - 7.5 Flashcards

1
Q

Quadratic form (Rn)

A

QA(x) = xTAx = a1x12 + a2x22 + … + anxn2

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2
Q

Quadratic form associated with matrix A

A

QA(x) = xTAx

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3
Q

Orthogonal change of variable

A

x = Py

If P is orthogonal

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