How can I find the number of row in which the maximum value obtained for a particular column?

n = 3

B = rand(n)

A = B

for j = 1:length(A(1,:))

Amax = A(1,j);

for i = 1:length(A(:,1))

if(A(i,j)> Amax)

Amax = A(i,j);

else

Amax = Amax;

end

end

Amax1(1,1)=Amax

end

Answer 1

[KSSV]

Read about the function max.

A = rand(10) ;   % 10*10 matrix 

[val,idx] = max(A(:,3))  % maximum value for the oclumn 3

val = 0.9846

idx = 4

fprintf('The maximum value occurs in %d row\n',idx)

The maximum value occurs in 4 row

[SALMAN KHAN]

Thanks, but i want to find it w/o using max function.

[KSSV]

A = rand(5,1) ;

maxval = A(1);
idx = 1 ; 

 for i = 1:length(A)
    if A(i) > maxval
        maxval = A(i);
        idx = i ; 
    end
 end
 [maxval idx]

[SALMAN KHAN]

Thank alot man, you're awesome.