Chapter 7.3 - 7.5 Flashcards
1
Q
Quadratic form (Rn)
A
QA(x) = xTAx = a1x12 + a2x22 + … + anxn2
2
Q
Quadratic form associated with matrix A
A
QA(x) = xTAx
3
Q
Orthogonal change of variable
A
x = Py
If P is orthogonal