matlab-线性下标 a[1 2 34 5 67 8 9]a ???? 1???? 2???? 3???? 4???? 5???? 6???? 7???? 8???? 9?
matlab-线性下标
>> a=[1 2 3;4 5 6;7 8 9]
a =
???? 1???? 2???? 3
???? 4???? 5???? 6
???? 7???? 8???? 9
?
>> sub2ind(size(a),1,2)
ans =
???? 4
>> a(4)
ans =
???? 2
>> sub2ind(size(a),2,1)
ans =
???? 2
>> a(2)
ans =
???? 4
>>
?
?