basis.py 文件源码

def basis_polys():
    """ Returns the basis polynomials and their derivatives and antiderivatives
    """
    nodes, _, _ = quad()
    ? = [lagrange(nodes,eye(N+1)[i]) for i in range(N+1)]
    ?Der = [[polyder(?_p, m=a) for ?_p in ?] for a in range(N+1)]
    ?Int = [polyint(?_p) for ?_p in ?]
    return ?, ?Der, ?Int