TA的每日心情 | 怒 2019-11-29 15:37 |
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签到天数: 1 天 [LV.1]初来乍到
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A=[x;y]
( P5 `9 H2 o7 n+ U0 SA =3 A" o+ i0 |- U, n; D& X
-2.1825 1.8470 -1.9257 3.5469
9 i) p6 H/ C; [1 d% ]5 y -4.6736 4.0595 -4.2958 7.4038& N, N1 z+ k5 j3 b
cov(A)
, \+ n0 @( u( d; \5 \ans =- l) c5 D* @- o( J* i5 A9 r( M
3.1028 -2.7558 2.9521 -4.8040
) h- |; [' I: o( {* K -2.7558 2.4476 -2.6219 4.2667
6 ^, ?; U9 u0 [0 I, d8 Z" m! w. } 2.9521 -2.6219 2.8087 -4.5706
* v+ v9 O/ r0 V( Z1 v -4.8040 4.2667 -4.5706 7.4378
i. b! o, y5 K( B7 X |
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