x = input("Enter Matrix value:")
[m, n] = size(x)
if m == n then
    if detr(x) == 0
        disp("Inverse does not exist")
    else
        a = inv(x)
        disp("Determinant is: ", detr(x))
        disp("Inverse is: ", a)
    end
else
    disp("Matrix is not square.")
end