

MCQOPTIONS
Saved Bookmarks
1. |
Let the superscript T represent the transpose operation. Consider the function \(f(x) = \frac{1}{2} x^T Qx-r^Tx\), where x and r are n × 1 vectors and Q is a symmetric n × n matrix. the stationery point of f(x) is |
A. | r |
B. | Q-1 r |
C. | \(\frac{r}{r^Tr}\) |
D. | QTr |
Answer» C. \(\frac{r}{r^Tr}\) | |