MATLAB的数组访问好鬼畜啊，全下标是符合各种编程语言的先行再列，然后单下标(索引值)居然是先列再行==绝了
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>> A=[1 2 3 4;5 6 7 8]
A =
1 2 3 4
5 6 7 8
>> A(1,3)
ans =
3
>> A(3)
ans =
2
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元胞数组的创建于连接
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>> a(1,1)={'mdzz'}
a =
'mdzz'
>> a(1,2)={ones(3)}
a =
'mdzz' [3x3 double]
>> a{2,1}='qwq'
a =
'mdzz' [3x3 double]
'qwq' []
>> a{2,2}='matlab'
a =
'mdzz' [3x3 double]
'qwq' 'matlab'
>> b=a
b =
'mdzz' [3x3 double]
'qwq' 'matlab'
>> c=[a b]
c =
'mdzz' [3x3 double] 'mdzz' [3x3 double]
'qwq' 'matlab' 'qwq' 'matlab'
>> c=[a;b]
c =
'mdzz' [3x3 double]
'qwq' 'matlab'
'mdzz' [3x3 double]
'qwq' 'matlab'
>> b=cell(2,3)
b =
[] [] []
[] [] []
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