|
|
>> A=rand(3)
w6 v2 ` H6 F3 {8 F- f$ B! g% Q3 v, Xa=mean(A,1) %按列平均* q, }2 k0 d; ]/ e7 j
b=mean(A,2) %按行平均
* I6 `+ b; @# H hc=mean(A(: )) %全部平均5 f' b3 K& y+ T* ~. ^! S' k+ r
A =2 V- o: t2 b3 D0 f
0.8134 0.8940 0.2876+ B, g6 v4 g- F) i1 v9 x
0.7185 0.9507 0.9264/ b6 j/ O& ^$ g, k
0.5008 0.4624 0.49635 K, Q6 L' ?1 e* T: B8 \) Q4 X
a =
. o+ A4 @- h; x0.6776 0.7690 0.5701
& K1 i9 W% K% E2 Y7 Lb =5 a; g" Q; i! u Q
0.6650; g5 i6 h' W. m, b2 k
0.86521 G* e7 ?* c" G, { P
0.4865, y: c4 i) M% g; `% [
c =
8 b! e# P7 W" W. p9 z* c3 ?0.6722 |
|
/1 
发表于 2021-7-27 14:42
收藏
淘帖
支持！
反对！