- 6 Let Q X 5x 4x1x2 8x3 A 2 Pts Compute The Value Of Q X For X 3 B 4 Pts Write Q X As X Ax C 1 (13.24 KiB) Viewed 26 times
6. Let Q(x) = 5x + 4x1x2 + 8x3. (a) (2 pts) Compute the value of Q(x) for x = -[3] (b) (4 pts) Write Q(x) as x Ax. (c) (
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6. Let Q(x) = 5x + 4x1x2 + 8x3. (a) (2 pts) Compute the value of Q(x) for x = -[3] (b) (4 pts) Write Q(x) as x Ax. (c) (
6. Let Q(x) = 5x + 4x1x2 + 8x3. (a) (2 pts) Compute the value of Q(x) for x = -[3] (b) (4 pts) Write Q(x) as x Ax. (c) (12 pts) Make a change of variable, x= Py, that transforms Q(x) into a quadratic form with no cross-product term. (d) (4 pts) Determine whether Q(x) is positive definite, negative definite, or indefinite. State your reason.
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