Python prde_spdeの例

コード例 #1

def test_prde_spde():
    D = [Poly(x, t), Poly(-x * t, t)]
    DE = DifferentialExtension(extension={'D': [Poly(1, x), Poly(1 / x, t)]})
    # TODO: when bound_degree() can handle this, test degree bound from that too
    assert prde_spde(Poly(t, t), Poly(-1/x, t), D, n, DE) == \
        (Poly(t, t), Poly(0, t), [Poly(2*x, t), Poly(-x, t)],
        [Poly(-x**2, t), Poly(0, t)], n - 1)

コード例 #2

ファイル: test_prde.py プロジェクト: A-turing-machine/sympy

def test_prde_spde():
    D = [Poly(x, t), Poly(-x*t, t)]
    DE = DifferentialExtension(extension={'D': [Poly(1, x), Poly(1/x, t)]})
    # TODO: when bound_degree() can handle this, test degree bound from that too
    assert prde_spde(Poly(t, t), Poly(-1/x, t), D, n, DE) == \
        (Poly(t, t), Poly(0, t), [Poly(2*x, t), Poly(-x, t)],
        [Poly(-x**2, t), Poly(0, t)], n - 1)