>> A={[1 2 ;3 4],'love';100+i,[90, 85, 55; 67, 70, 102; 57, 18, 100; -200, 89, 78]}
A = 
                   [2x2 double]    'love'      
    [1.0000e+002 +1.0000e+000i]    [4x3 double]
>> B={[1 2 ;2 2],'MATLAB 7.1';'Tsinghua and Peking',[1+5*i,12-4*i]}
B = 
             [2x2 double]    'MATLAB 7.1'    
    'Tsinghua and Peking'    [1x2 double]
>> C=[A,B]
C = 
                   [2x2 double]    'love'                   [2x2 double]    'MATLAB 7.1'    
    [1.0000e+002 +1.0000e+000i]    [4x3 double]    'Tsinghua and Peking'    [1x2 double]
>>
%ϵĳʹŽԪ鼯һ飻³򣬲Enter
>> D=C(1,:)
D = 
    [2x2 double]    'love'    [2x2 double]    'MATLAB 7.1'
>>
%ϵĳôͳѰַԪCӼȡһµĵԪDMATLAB 7.1³򣬲Enter
>> C(2,:)=[]
C = 
    [2x2 double]    'love'    [2x2 double]    'MATLAB 7.1'
>>
