So x² in Python is written as x**2. Polynomials of higher degrees, such as cubic (cubed) and quartic (raised to the fourth power), work similarly. An alternative to using NumPy is SymPy ...

For those interested in working with linear algebra with numerical tools - i.e. floating point numerical ... you'll be interested in using the SymPy package. (Sym = Symbolic) SymPy is an open-source ...