how to find the column number of a matrix?

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Ishani Mahanama
Ishani Mahanama 2018-11-18
评论： madhan ravi 2018-11-18
I have a simple question though I couldn´t find an answer for that. I have a matrix A= [ 3 4 , 6 7]
I want to find which column gets the maximum value from first raw elements and which column gets the maximum value from 2nd raw values. I know I can derive maximum value from this max(A(1, :)) . But I can´t find it´s column number. Thank you in advance.

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madhan ravi
madhan ravi 2018-11-18
编辑：madhan ravi 2018-11-18
[value,index]=max(A(1,:))
By default the second output of max will give you the index you require.

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