[理工] 矩陣
(a). Let Q = 17x1^2 -30x1x2 + 17x2^2. Find a rea1 symmetric matrix A such that
Q = [xl x2]A[xl x2]T (5%)
(b) Using (a), find the points on the ellipse Q=128 that have the farthest
distance from the origin (1 0%)
第2小題感謝神手幫解!!!!
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