How to get the array elements indexes

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Mekala balaji
Mekala balaji 2015-7-29
评论： the cyclist 2015-7-29
Hello Sir/Mada, I have matrix:
A=[2 9 0 3]
and I want to get Index_A=[1 2 3 4]
I used "find"
I got the answer (which is not I required),here it didn't considered "Zero" It is only considering non zero elements. Kinldy help How to I get the indexes including zero elemets.
I used this code:
>> A=[2 9 0 3]
A =
2 9 0 3
>> Index_A=find(A)
Index_A =
1 2 4
Many many thanks in advance.
  2 个评论
the cyclist
the cyclist 2015-7-29
You might want to check out some of the free, online resources available for learning MATLAB. Here is one place to get started.

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回答（1 个）

the cyclist
the cyclist 2015-7-29
编辑：the cyclist 2015-7-29
Index_A = 1:numel(A)

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