a=vector([1,0, 5])
b=vector([6, 0, 5])
c=vector([1, -5, 0])
A = column_matrix([a, b, c]) # Generating the matrix with a, b, c as its columns in that order
print A.det()
-125
-125
a=vector([0,2, 3])
b=vector([2, 4, 1])
c=vector([1, 3, 2])
A = column_matrix([a, b, c]) # Generating the matrix with a, b, c as its columns in that order
print A.det()