x=input("Enter the matrix")
[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