Exemplos de assemble_partfrac_list em Python

Exemplo n.º 1

Arquivo: test_partfrac.py Projeto: Acebulf/sympy

def test_assemble_partfrac_list():
    f = 36 / (x**5 - 2*x**4 - 2*x**3 + 4*x**2 + x - 2)
    pfd = apart_list(f)
    assert assemble_partfrac_list(pfd) == -4/(x + 1) - 3/(x + 1)**2 - 9/(x - 1)**2 + 4/(x - 2)

    a = Dummy("a")
    pfd = (1, Poly(0, x, domain='ZZ'), [([sqrt(2),-sqrt(2)], Lambda(a, a/2), Lambda(a, -a + x), 1)])
    assert assemble_partfrac_list(pfd) == -1/(sqrt(2)*(x + sqrt(2))) + 1/(sqrt(2)*(x - sqrt(2)))

Exemplo n.º 2

Arquivo: test_partfrac.py Projeto: liyanxp/NmercialExperiment

def test_assemble_partfrac_list():
    f = 36 / (x**5 - 2*x**4 - 2*x**3 + 4*x**2 + x - 2)
    pfd = apart_list(f)
    assert assemble_partfrac_list(pfd) == -4/(x + 1) - 3/(x + 1)**2 - 9/(x - 1)**2 + 4/(x - 2)

    a = Dummy("a")
    pfd = (1, Poly(0, x, domain='ZZ'), [([sqrt(2),-sqrt(2)], Lambda(a, a/2), Lambda(a, -a + x), 1)])
    assert assemble_partfrac_list(pfd) == -1/(sqrt(2)*(x + sqrt(2))) + 1/(sqrt(2)*(x - sqrt(2)))