exa2_46.m

来自「有关matlab r2007的实用教程」· M 代码 · 共 18 行

a=[],b=ones(2,0),c= eye(2,0),d= zeros(2,0),f=rand(2,3,0,4)  %空数组的创建
class(a)		                    %“空”的数据类别
isnumeric(a)
isempty(a)
which a
ndims(a)
size(a)
b_c1=b.*c
b_c2=b'*c
b_c3=b*c'
%a==b
b==c
c>d
a==0
a~=0
A=reshape(-4:5,2,5)
L2=A>10
find(L2)