matrix2.m

来自「数学建模与数学实验（第3版）课件+matlab」· M 代码 · 共 11 行

a=[1 2 3;4 5 6;7 8 9]
a1=a(2,:)
a2=a(:,2)
a3=a(:)
a4=a(1:2,2:3)
a5=a(2:-1:1,:)
a6=a(:,3:-1:2)
a7=a;a7(1:2,:)=[]
a8=a;a8(:,1)=[]
a9=[a a2]
a10=[a;a1]