Esempi in Python per rs_cos

Esempio n. 1

File: test_ring_series.py Progetto: LuckyStrikes1090/sympy

def test_cos():
    R, x, y = ring('x, y', QQ)
    assert rs_cos(x, x, 9) == \
        1/40320*x**8 - 1/720*x**6 + 1/24*x**4 - 1/2*x**2 + 1
    assert rs_cos(x*y + x**2*y**3, x, 9) == 1/24*x**8*y**12 - \
        1/48*x**8*y**10 + 1/40320*x**8*y**8 + 1/6*x**7*y**10 - \
        1/120*x**7*y**8 + 1/4*x**6*y**8 - 1/720*x**6*y**6 + 1/6*x**5*y**6 \
        - 1/2*x**4*y**6 + 1/24*x**4*y**4 - x**3*y**4 - 1/2*x**2*y**2 + 1

Esempio n. 2

File: test_ring_series.py Progetto: asmeurer/sympy

def test_cos_sin():
    R, x, y = ring('x, y', QQ)
    cos, sin = rs_cos_sin(x, x, 9)
    assert cos == rs_cos(x, x, 9)
    assert sin == rs_sin(x, x, 9)
    cos, sin = rs_cos_sin(x + x*y, x, 5)
    assert cos == rs_cos(x + x*y, x, 5)
    assert sin == rs_sin(x + x*y, x, 5)

Esempio n. 3

File: test_ring_series.py Progetto: asmeurer/sympy

def test_cos():
    R, x, y = ring('x, y', QQ)
    assert rs_cos(x, x, 9)/x**5 == \
        S(1)/40320*x**3 - S(1)/720*x + S(1)/24*x**(-1) - S(1)/2*x**(-3) + x**(-5)
    assert rs_cos(x*y + x**2*y**3, x, 9) == x**8*y**12/24 - \
        x**8*y**10/48 + x**8*y**8/40320 + x**7*y**10/6 - \
        x**7*y**8/120 + x**6*y**8/4 - x**6*y**6/720 + x**5*y**6/6 - \
        x**4*y**6/2 + x**4*y**4/24 - x**3*y**4 - x**2*y**2/2 + 1

    # Constant term in series
    a = symbols('a')
    R, x, y = ring('x, y', QQ[sin(a), cos(a), a])
    assert rs_cos(x + a, x, 5) == cos(a)*x**4/24 + sin(a)*x**3/6 - \
        cos(a)*x**2/2 - sin(a)*x + cos(a)
    assert rs_cos(x + x**2*y + a, x, 5) == -cos(a)*x**4*y**2/2 + \
        sin(a)*x**4*y/2 + cos(a)*x**4/24 - cos(a)*x**3*y + sin(a)*x**3/6 - \
        sin(a)*x**2*y - cos(a)*x**2/2 - sin(a)*x + cos(a)

    R, x, y = ring('x, y', EX)
    assert rs_cos(x + a, x, 5) == EX(cos(a)/24)*x**4 + EX(sin(a)/6)*x**3 - \
        EX(cos(a)/2)*x**2 - EX(sin(a))*x + EX(cos(a))
    assert rs_cos(x + x**2*y + a, x, 5) == -EX(cos(a)/2)*x**4*y**2 + \
        EX(sin(a)/2)*x**4*y + EX(cos(a)/24)*x**4 - EX(cos(a))*x**3*y + \
        EX(sin(a)/6)*x**3 - EX(sin(a))*x**2*y - EX(cos(a)/2)*x**2 - \
        EX(sin(a))*x + EX(cos(a))

Esempio n. 4

File: test_ring_series.py Progetto: helpin/sympy

def test_cos():
    R, x, y = ring('x, y', QQ)
    assert rs_cos(x, x, 9) == \
        1/40320*x**8 - 1/720*x**6 + 1/24*x**4 - 1/2*x**2 + 1
    assert rs_cos(x*y + x**2*y**3, x, 9) == 1/24*x**8*y**12 - \
        1/48*x**8*y**10 + 1/40320*x**8*y**8 + 1/6*x**7*y**10 - \
        1/120*x**7*y**8 + 1/4*x**6*y**8 - 1/720*x**6*y**6 + 1/6*x**5*y**6 \
        - 1/2*x**4*y**6 + 1/24*x**4*y**4 - x**3*y**4 - 1/2*x**2*y**2 + 1

    # Constant term in series
    a = symbols('a')
    R, x, y = ring('x, y', QQ[sin(a), cos(a), a])
    assert rs_cos(x + a, x, 5) == cos(a)*x**4/24 + sin(a)*x**3/6 - \
        cos(a)*x**2/2 - sin(a)*x + cos(a)
    assert rs_cos(x + x**2*y + a, x, 5) == -cos(a)*x**4*y**2/2 + \
        sin(a)*x**4*y/2 + cos(a)*x**4/24 - cos(a)*x**3*y + sin(a)*x**3/6 - \
        sin(a)*x**2*y - cos(a)*x**2/2 - sin(a)*x + cos(a)

    R, x, y = ring('x, y', EX)
    assert rs_cos(x + a, x, 5) == EX(cos(a)/24)*x**4 + EX(sin(a)/6)*x**3 - \
        EX(cos(a)/2)*x**2 - EX(sin(a))*x + EX(cos(a))
    assert rs_cos(x + x**2*y + a, x, 5) == -EX(cos(a)/2)*x**4*y**2 + \
        EX(sin(a)/2)*x**4*y + EX(cos(a)/24)*x**4 - EX(cos(a))*x**3*y + \
        EX(sin(a)/6)*x**3 - EX(sin(a))*x**2*y - EX(cos(a)/2)*x**2 - \
        EX(sin(a))*x + EX(cos(a))

Esempio n. 5

File: test_ring_series.py Progetto: sidhu1012/sympy

def test_cos():
    R, x, y = ring('x, y', QQ)
    assert rs_cos(x, x, 9)/x**5 == \
        Rational(1, 40320)*x**3 - Rational(1, 720)*x + Rational(1, 24)*x**(-1) - S.Half*x**(-3) + x**(-5)
    assert rs_cos(x*y + x**2*y**3, x, 9) == x**8*y**12/24 - \
        x**8*y**10/48 + x**8*y**8/40320 + x**7*y**10/6 - \
        x**7*y**8/120 + x**6*y**8/4 - x**6*y**6/720 + x**5*y**6/6 - \
        x**4*y**6/2 + x**4*y**4/24 - x**3*y**4 - x**2*y**2/2 + 1

    # Constant term in series
    a = symbols('a')
    R, x, y = ring('x, y', QQ[sin(a), cos(a), a])
    assert rs_cos(x + a, x, 5) == cos(a)*x**4/24 + sin(a)*x**3/6 - \
        cos(a)*x**2/2 - sin(a)*x + cos(a)
    assert rs_cos(x + x**2*y + a, x, 5) == -cos(a)*x**4*y**2/2 + \
        sin(a)*x**4*y/2 + cos(a)*x**4/24 - cos(a)*x**3*y + sin(a)*x**3/6 - \
        sin(a)*x**2*y - cos(a)*x**2/2 - sin(a)*x + cos(a)

    R, x, y = ring('x, y', EX)
    assert rs_cos(x + a, x, 5) == EX(cos(a)/24)*x**4 + EX(sin(a)/6)*x**3 - \
        EX(cos(a)/2)*x**2 - EX(sin(a))*x + EX(cos(a))
    assert rs_cos(x + x**2*y + a, x, 5) == -EX(cos(a)/2)*x**4*y**2 + \
        EX(sin(a)/2)*x**4*y + EX(cos(a)/24)*x**4 - EX(cos(a))*x**3*y + \
        EX(sin(a)/6)*x**3 - EX(sin(a))*x**2*y - EX(cos(a)/2)*x**2 - \
        EX(sin(a))*x + EX(cos(a))

Esempio n. 6

File: test_ring_series.py Progetto: z-campbell/sympy

def test_puiseux():
    R, x, y = ring('x, y', QQ)
    p = x**QQ(2, 5) + x**QQ(2, 3) + x

    r = rs_series_inversion(p, x, 1)
    r1 = -x**QQ(14,15) + x**QQ(4,5) - 3*x**QQ(11,15) + x**QQ(2,3) + \
        2*x**QQ(7,15) - x**QQ(2,5) - x**QQ(1,5) + x**QQ(2,15) - x**QQ(-2,15) \
        + x**QQ(-2,5)
    assert r == r1

    r = rs_nth_root(1 + p, 3, x, 1)
    assert r == -x**QQ(4, 5) / 9 + x**QQ(2, 3) / 3 + x**QQ(2, 5) / 3 + 1

    r = rs_log(1 + p, x, 1)
    assert r == -x**QQ(4, 5) / 2 + x**QQ(2, 3) + x**QQ(2, 5)

    r = rs_LambertW(p, x, 1)
    assert r == -x**QQ(4, 5) + x**QQ(2, 3) + x**QQ(2, 5)

    r = rs_exp(p, x, 1)
    assert r == x**QQ(4, 5) / 2 + x**QQ(2, 3) + x**QQ(2, 5) + 1

    p1 = x + x**QQ(1, 5) * y
    r = rs_exp(p1, x, 1)
    assert r == x**QQ(4,5)*y**4/24 + x**QQ(3,5)*y**3/6 + x**QQ(2,5)*y**2/2 + \
        x**QQ(1,5)*y + 1

    r = rs_atan(p, x, 2)
    assert r ==  -x**QQ(9,5) - x**QQ(26,15) - x**QQ(22,15) - x**QQ(6,5)/3 + \
        x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_atan(p1, x, 2)
    assert r ==  x**QQ(9,5)*y**9/9 + x**QQ(9,5)*y**4 - x**QQ(7,5)*y**7/7 - \
        x**QQ(7,5)*y**2 + x*y**5/5 + x - x**QQ(3,5)*y**3/3 + x**QQ(1,5)*y

    r = rs_asin(p, x, 2)
    assert r == x**QQ(9,5)/2 + x**QQ(26,15)/2 + x**QQ(22,15)/2 + \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_tan(p, x, 2)
    assert r == x**QQ(9,5) + x**QQ(26,15) + x**QQ(22,15) + x**QQ(6,5)/3 + \
        x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_cot(p, x, 1)
    assert r == -x**QQ(14,15) + x**QQ(4,5) - 3*x**QQ(11,15) + \
        2*x**QQ(2,3)/3 + 2*x**QQ(7,15) - 4*x**QQ(2,5)/3 - x**QQ(1,5) + \
        x**QQ(2,15) - x**QQ(-2,15) + x**QQ(-2,5)

    r = rs_sin(p, x, 2)
    assert r == -x**QQ(9,5)/2 - x**QQ(26,15)/2 - x**QQ(22,15)/2 - \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_cos(p, x, 2)
    assert r == x**QQ(28,15)/6 - x**QQ(5,3) + x**QQ(8,5)/24 - x**QQ(7,5) - \
        x**QQ(4,3)/2 - x**QQ(16,15) - x**QQ(4,5)/2 + 1

    r = rs_cos_sin(p, x, 2)
    assert r[0] == x**QQ(28,15)/6 - x**QQ(5,3) + x**QQ(8,5)/24 - x**QQ(7,5) - \
        x**QQ(4,3)/2 - x**QQ(16,15) - x**QQ(4,5)/2 + 1
    assert r[1] == -x**QQ(9,5)/2 - x**QQ(26,15)/2 - x**QQ(22,15)/2 - \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_atanh(p, x, 2)
    assert r == x**QQ(9,5) + x**QQ(26,15) + x**QQ(22,15) + x**QQ(6,5)/3 + x + \
        x**QQ(2,3) + x**QQ(2,5)

    r = rs_sinh(p, x, 2)
    assert r == x**QQ(9,5)/2 + x**QQ(26,15)/2 + x**QQ(22,15)/2 + \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_cosh(p, x, 2)
    assert r == x**QQ(28,15)/6 + x**QQ(5,3) + x**QQ(8,5)/24 + x**QQ(7,5) + \
        x**QQ(4,3)/2 + x**QQ(16,15) + x**QQ(4,5)/2 + 1

    r = rs_tanh(p, x, 2)
    assert r == -x**QQ(9,5) - x**QQ(26,15) - x**QQ(22,15) - x**QQ(6,5)/3 + \
        x + x**QQ(2,3) + x**QQ(2,5)

Esempio n. 7

File: test_ring_series.py Progetto: MechCoder/sympy

def test_puiseux():
    R, x, y = ring('x, y', QQ)
    p = x**QQ(2,5) + x**QQ(2,3) + x

    r = rs_series_inversion(p, x, 1)
    r1 = -x**QQ(14,15) + x**QQ(4,5) - 3*x**QQ(11,15) + x**QQ(2,3) + \
        2*x**QQ(7,15) - x**QQ(2,5) - x**QQ(1,5) + x**QQ(2,15) - x**QQ(-2,15) \
        + x**QQ(-2,5)
    assert r == r1

    r = rs_nth_root(1 + p, 3, x, 1)
    assert r == -x**QQ(4,5)/9 + x**QQ(2,3)/3 + x**QQ(2,5)/3 + 1

    r = rs_log(1 + p, x, 1)
    assert r == -x**QQ(4,5)/2 + x**QQ(2,3) + x**QQ(2,5)

    r = rs_LambertW(p, x, 1)
    assert r == -x**QQ(4,5) + x**QQ(2,3) + x**QQ(2,5)

    r = rs_exp(p, x, 1)
    assert r == x**QQ(4,5)/2 + x**QQ(2,3) + x**QQ(2,5) + 1

    p1 = x + x**QQ(1,5)*y
    r = rs_exp(p1, x, 1)
    assert r == x**QQ(4,5)*y**4/24 + x**QQ(3,5)*y**3/6 + x**QQ(2,5)*y**2/2 + \
        x**QQ(1,5)*y + 1

    r = rs_atan(p, x, 2)
    assert r ==  -x**QQ(9,5) - x**QQ(26,15) - x**QQ(22,15) - x**QQ(6,5)/3 + \
        x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_atan(p1, x, 2)
    assert r ==  x**QQ(9,5)*y**9/9 + x**QQ(9,5)*y**4 - x**QQ(7,5)*y**7/7 - \
        x**QQ(7,5)*y**2 + x*y**5/5 + x - x**QQ(3,5)*y**3/3 + x**QQ(1,5)*y

    r = rs_asin(p, x, 2)
    assert r == x**QQ(9,5)/2 + x**QQ(26,15)/2 + x**QQ(22,15)/2 + \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)


    r = rs_tan(p, x, 2)
    assert r == x**QQ(9,5) + x**QQ(26,15) + x**QQ(22,15) + x**QQ(6,5)/3 + \
        x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_cot(p, x, 1)
    assert r == -x**QQ(14,15) + x**QQ(4,5) - 3*x**QQ(11,15) + \
        2*x**QQ(2,3)/3 + 2*x**QQ(7,15) - 4*x**QQ(2,5)/3 - x**QQ(1,5) + \
        x**QQ(2,15) - x**QQ(-2,15) + x**QQ(-2,5)

    r = rs_sin(p, x, 2)
    assert r == -x**QQ(9,5)/2 - x**QQ(26,15)/2 - x**QQ(22,15)/2 - \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_cos(p, x, 2)
    assert r == x**QQ(28,15)/6 - x**QQ(5,3) + x**QQ(8,5)/24 - x**QQ(7,5) - \
        x**QQ(4,3)/2 - x**QQ(16,15) - x**QQ(4,5)/2 + 1

    r = rs_cos_sin(p, x, 2)
    assert r[0] == x**QQ(28,15)/6 - x**QQ(5,3) + x**QQ(8,5)/24 - x**QQ(7,5) - \
        x**QQ(4,3)/2 - x**QQ(16,15) - x**QQ(4,5)/2 + 1
    assert r[1] == -x**QQ(9,5)/2 - x**QQ(26,15)/2 - x**QQ(22,15)/2 - \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_atanh(p, x, 2)
    assert r == x**QQ(9,5) + x**QQ(26,15) + x**QQ(22,15) + x**QQ(6,5)/3 + x + \
        x**QQ(2,3) + x**QQ(2,5)

    r = rs_sinh(p, x, 2)
    assert r == x**QQ(9,5)/2 + x**QQ(26,15)/2 + x**QQ(22,15)/2 + \
        x**QQ(6,5)/6 + x + x**QQ(2,3) + x**QQ(2,5)

    r = rs_cosh(p, x, 2)
    assert r == x**QQ(28,15)/6 + x**QQ(5,3) + x**QQ(8,5)/24 + x**QQ(7,5) + \
        x**QQ(4,3)/2 + x**QQ(16,15) + x**QQ(4,5)/2 + 1

    r = rs_tanh(p, x, 2)
    assert r == -x**QQ(9,5) - x**QQ(26,15) - x**QQ(22,15) - x**QQ(6,5)/3 + \
        x + x**QQ(2,3) + x**QQ(2,5)