本文整理匯總了Python中cmath.acos方法的典型用法代碼示例。如果您正苦於以下問題：Python cmath.acos方法的具體用法？Python cmath.acos怎麽用？Python cmath.acos使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類cmath的用法示例。
在下文中一共展示了cmath.acos方法的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _SA_partial_horiz_torispherical_head_int_1
# 需要導入模塊: import cmath [as 別名]
# 或者: from cmath import acos [as 別名]
def _SA_partial_horiz_torispherical_head_int_1(x, b, c):
x0 = x*x
x1 = b - x0
x2 = x1**0.5
x3 = -b + x0
x4 = c*c
try:
x5 = (x1 - x4)**-0.5
except:
x5 = (x1 - x4+0j)**-0.5
x6 = x3 + x4
x7 = b**0.5
try:
x3_pow = x3**(-1.5)
except:
x3_pow = (x3+0j)**(-1.5)
ans = (x*cacos(c/x2) + x3_pow*x5*(-c*x1*csqrt(-x6*x6)*catan(x*x2/(csqrt(x3)*csqrt(x6)))
+ x6*x7*csqrt(-x1*x1)*catan(c*x*x5/x7))/csqrt(-x6/x1))
return ans.real 示例2: ACOS
# 需要導入模塊: import cmath [as 別名]
# 或者: from cmath import acos [as 別名]
def ACOS(df, price='Close'):
"""
Arc Cosine
Returns: list of floats = jhta.ACOS(df, price='Close')
"""
return [cmath.acos(df[price][i]).real for i in range(len(df[price]))] 示例3: test_acos
# 需要導入模塊: import cmath [as 別名]
# 或者: from cmath import acos [as 別名]
def test_acos(self):
self.assertAlmostEqual(complex(0.936812, -2.30551),
cmath.acos(complex(3, 4))) 示例4: test_areal_inverses
# 需要導入模塊: import cmath [as 別名]
# 或者: from cmath import acos [as 別名]
def test_areal_inverses():
assert asin(mpf(0)) == 0
assert asinh(mpf(0)) == 0
assert acosh(mpf(1)) == 0
assert isinstance(asin(mpf(0.5)), mpf)
assert isinstance(asin(mpf(2.0)), mpc)
assert isinstance(acos(mpf(0.5)), mpf)
assert isinstance(acos(mpf(2.0)), mpc)
assert isinstance(atanh(mpf(0.1)), mpf)
assert isinstance(atanh(mpf(1.1)), mpc)
random.seed(1)
for i in range(50):
x = random.uniform(0, 1)
assert asin(mpf(x)).ae(math.asin(x))
assert acos(mpf(x)).ae(math.acos(x))
x = random.uniform(-10, 10)
assert asinh(mpf(x)).ae(cmath.asinh(x).real)
assert isinstance(asinh(mpf(x)), mpf)
x = random.uniform(1, 10)
assert acosh(mpf(x)).ae(cmath.acosh(x).real)
assert isinstance(acosh(mpf(x)), mpf)
x = random.uniform(-10, 0.999)
assert isinstance(acosh(mpf(x)), mpc)
x = random.uniform(-1, 1)
assert atanh(mpf(x)).ae(cmath.atanh(x).real)
assert isinstance(atanh(mpf(x)), mpf)
dps = mp.dps
mp.dps = 300
assert isinstance(asin(0.5), mpf)
mp.dps = 1000
assert asin(1).ae(pi/2)
assert asin(-1).ae(-pi/2)
mp.dps = dps 示例5: test_complex_inverse_functions
# 需要導入模塊: import cmath [as 別名]
# 或者: from cmath import acos [as 別名]
def test_complex_inverse_functions():
for (z1, z2) in random_complexes(30):
# apparently cmath uses a different branch, so we
# can't use it for comparison
assert sinh(asinh(z1)).ae(z1)
#
assert acosh(z1).ae(cmath.acosh(z1))
assert atanh(z1).ae(cmath.atanh(z1))
assert atan(z1).ae(cmath.atan(z1))
# the reason we set a big eps here is that the cmath
# functions are inaccurate
assert asin(z1).ae(cmath.asin(z1), rel_eps=1e-12)
assert acos(z1).ae(cmath.acos(z1), rel_eps=1e-12)
one = mpf(1)
for i in range(-9, 10, 3):
for k in range(-9, 10, 3):
a = 0.9*j*10**k + 0.8*one*10**i
b = cos(acos(a))
assert b.ae(a)
b = sin(asin(a))
assert b.ae(a)
one = mpf(1)
err = 2*10**-15
for i in range(-9, 9, 3):
for k in range(-9, 9, 3):
a = -0.9*10**k + j*0.8*one*10**i
b = cosh(acosh(a))
assert b.ae(a, err)
b = sinh(asinh(a))
assert b.ae(a, err)