How to find the index of maximum value in matrix

Hallo ,

This question has asked again,

I have a 4*2 Matrix 'A' as follows

ID Value

1 10

2 -5

3 6

4 -15

I want to find the index for Maximum of absolute value in column 2 and find its correcponding ID value in column 1,

I used the following line

[i,j]= find(max(abs(A(:,2))));

But it did not give the index

kindly help me.

Answer 1

[madhan ravi]

[Value, Position] = max(abs(A(:,2)))
A(Position,1) % corresponding ID