caculate euclidean distance between columm in matrix

i have a matrix like this

[2 -1 3 1;

-1 -3 2 3;

3 2 -3 6;

1 3 6 1]

anyone know how to caculate euclidean distance between first columm and the last columm in the matrix

Answer 1

[KSSV]

Let A be yout matrix...

C1 = A(:,1) ; C2 = A(:,end) ;
dC1 = diff(C1) ; 
dC2 =diff(C2) ; 
d = sqrt(dC1.^2+dC2.^2) ;