|
|
: A0 ?" R( o- I5 |! ~9 R" {
>> A=rand(3)
+ K: u8 |1 W8 P: m7 Ua=mean(A,1) %按列平均
; P, I- ]. L! u( P# Yb=mean(A,2) %按行平均" l* m( ^6 N$ X
c=mean(A(:)) %全部平均) X* D" w5 U) F+ `7 I6 j: s! }
A =
* x5 b) H0 O$ h( I" S# W0.8134 0.8940 0.2876( O( Y0 Q" `! n2 v
0.7185 0.9507 0.9264
6 m/ q/ O0 M- s, c0.5008 0.4624 0.49635 h0 m4 ~* }; K- R+ m: L
a =* k/ _+ V) M; A4 s) n2 c1 e/ v; u
0.6776 0.7690 0.5701+ A6 F* G# [# a4 S d% Z
b =
5 _8 L+ E8 S3 J, `4 v k0.6650
- ?& |$ v/ H5 Z( E: H0.8652
7 ~0 s: A, S- X% \4 b0.4865
& ]$ P$ q! ~4 q. \; Rc =5 x) J& `+ I4 J' |: q4 `. L
0.6722
) D. }" E) j3 E C! C( x& U>> |
|