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>> A=rand(3,4)6 K2 U+ W' G9 U, j; T$ z7 M
1 p: ~4 t' a% a( |) C5 K0 V
A =
) E% e' ~0 x5 C, B' ?* I# Q$ s. L$ m6 w& y0 D' J$ Y$ L& z
0.1818 0.1361 0.5499 0.6221
7 _5 c% t* M- ` 0.2638 0.8693 0.1450 0.35102 L& }6 S. @( Y) a8 U" N, C
0.1455 0.5797 0.8530 0.5132% t% A5 K a) u
5 Y3 ?& _9 R% [ }( ]>> A(2,: )=[] %删除第2行7 \* C: L& N# d2 |" r7 Y% g
$ V9 w5 w' }1 C' U9 m, t$ x8 qA =
. j" v' r' i2 w. x$ X6 Y6 \- ?
7 p, R" V. r8 \ 0.1818 0.1361 0.5499 0.6221 y. r* ?& b# Y9 n) i5 z, ]
0.1455 0.5797 0.8530 0.5132 |
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