推 annheilong:(2^(1/2), -(2^(1/2)), (2^(1/2), -(2^(1/2)) ?? 02/14 00:46
→ annheilong:不知道對不對? 02/14 00:47
推 annheilong:看來錯了... 02/14 01:01
(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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※ 編輯: a14541454 來自: 203.217.101.156 (02/13 23:02)