|
|
>> A=rand(3,4)
- Z$ `3 ]& L' |& Q+ V$ d& _' r) S; M0 N8 ^
A =5 E+ x6 d, ^: G
& b1 r/ }4 ]0 B( ] 0.1818 0.1361 0.5499 0.6221
: o, ]! x# `9 m" B" c( Q; u, N 0.2638 0.8693 0.1450 0.35100 H2 N/ b6 M4 S! V* J+ G9 ]. B: P m
0.1455 0.5797 0.8530 0.5132/ Z# l' y5 D* A% l; c, p
5 R) O$ r. c; p7 r0 H>> A(2,: )=[] %删除第2行: H9 r, \. N+ e7 d: n- _
* g% @. Z# U+ k& Y( f6 x/ R9 n1 }
A =0 _# A0 P# Y9 t5 W/ w1 p
' `: ?" Y' |6 D- {1 v/ E
0.1818 0.1361 0.5499 0.62218 Y5 _/ s9 N1 F6 j P* d
0.1455 0.5797 0.8530 0.5132 |
|