Calculate unique number for each type

Hi guys,

I need help to count duplicate number for each type

The example of the result is like this :

X = Input
Y = Output
X=[2 ;2 ;1 ;3 ;5; 4]
Y= [1 1;2 2;3 1; 4 1; 5 1]

X=[2 ;2 ;2 ;3 ;5; 4]
Y= [1 0;2 3;3 1; 4 1; 5 1]

Can someone help me? thanks

Answer 1

[madhan ravi]

u=unique(X);
Y=[u histc(X,u)]