本文整理匯總了Python中scipy.special.ellipe方法的典型用法代碼示例。如果您正苦於以下問題：Python special.ellipe方法的具體用法？Python special.ellipe怎麽用？Python special.ellipe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scipy.special的用法示例。
在下文中一共展示了special.ellipe方法的11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: test_ellipeinc
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def test_ellipeinc(self):
eleinc = special.ellipeinc(pi/2,.2)
ele = special.ellipe(0.2)
assert_almost_equal(eleinc,ele,14)
# pg 617 of A & S
alpha, phi = 52*pi/180,35*pi/180
m = sin(alpha)**2
eleinc = special.ellipeinc(phi,m)
assert_almost_equal(eleinc, 0.58823065, 8)
assert_equal(special.ellipeinc(pi/2, 0.0), pi/2)
assert_equal(special.ellipeinc(pi/2, 1.0), 1.0)
assert_equal(special.ellipeinc(pi/2, -np.inf), np.inf)
assert_equal(special.ellipeinc(pi/2, np.nan), np.nan)
assert_equal(special.ellipeinc(pi/2, 2), np.nan)
assert_equal(special.ellipeinc(0, 0.5), 0.0)
assert_equal(special.ellipeinc(np.inf, 0.5), np.inf)
assert_equal(special.ellipeinc(-np.inf, 0.5), -np.inf)
assert_equal(special.ellipeinc(np.inf, -np.inf), np.inf)
assert_equal(special.ellipeinc(-np.inf, -np.inf), -np.inf)
assert_equal(special.ellipeinc(np.inf, np.inf), np.nan)
assert_equal(special.ellipeinc(-np.inf, np.inf), np.nan)
assert_equal(special.ellipeinc(np.nan, 0.5), np.nan)
assert_equal(special.ellipeinc(np.nan, np.nan), np.nan)
assert_allclose(special.ellipeinc(1.5707, -10), 3.6388185585822876) 示例2: Greens
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def Greens(Rc, Zc, R, Z):
"""
Calculate poloidal flux at (R,Z) due to a unit current
at (Rc,Zc) using Greens function
"""
# Calculate k^2
k2 = 4.*R * Rc / ( (R + Rc)**2 + (Z - Zc)**2 )
# Clip to between 0 and 1 to avoid nans e.g. when coil is on grid point
k2 = clip(k2, 1e-10, 1.0 - 1e-10)
k = sqrt(k2)
# Note definition of ellipk, ellipe in scipy is K(k^2), E(k^2)
return (mu0/(2.*pi)) * sqrt(R*Rc) * ( (2. - k2)*ellipk(k2) - 2.*ellipe(k2) ) / k 示例3: test_ellipe
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def test_ellipe(self):
assert_equal(cephes.ellipe(1),1.0) 示例4: test_ellipeinc
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def test_ellipeinc(self):
eleinc = special.ellipeinc(pi/2,.2)
ele = special.ellipe(0.2)
assert_almost_equal(eleinc,ele,14)
# pg 617 of A & S
alpha, phi = 52*pi/180,35*pi/180
m = sin(alpha)**2
eleinc = special.ellipeinc(phi,m)
assert_almost_equal(eleinc, 0.58823065, 8) 示例5: test_ellipe
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def test_ellipe(self):
assert_mpmath_equal(sc.ellipe,
mpmath.ellipe,
[Arg()]) 示例6: test_ellipe
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def test_ellipe(self):
assert_mpmath_equal(sc.ellipe,
mpmath.ellipe,
[Arg(b=1.0)]) 示例7: test_ellipeinc
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def test_ellipeinc(self):
assert_mpmath_equal(sc.ellipeinc,
mpmath.ellipe,
[Arg(-1e3, 1e3), Arg(b=1.0)]) 示例8: ellipe
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def ellipe(m):
from scipy.special import ellipe
return ellipe(m) 示例9: erf
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def erf(*args, **kwargs):
from scipy.special import erf
return erf(*args, **kwargs)
# from scipy.special import lambertw, ellipe, gammaincc, gamma # fluids
# from scipy.special import i1, i0, k1, k0, iv # ht
# from scipy.special import hyp2f1
# if erf is None:
# from scipy.special import erf 示例10: ellipeinc
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def ellipeinc(phi, m):
import mpmath
return mpmath.ellipe.ellipeinc(phi, m) 示例11: create_mesh
# 需要導入模塊: from scipy import special [as 別名]
# 或者: from scipy.special import ellipe [as 別名]
def create_mesh(axis0=1, axis1=0.5, num_boundary_points=100):
# lengths of major and minor axes
a = max(axis0, axis1)
b = min(axis0, axis1)
# Choose the maximum area of a triangle equal to the area of
# an equilateral triangle on the boundary.
# For circumference of an ellipse, see
# http://en.wikipedia.org/wiki/Ellipse#Circumference
eccentricity = np.sqrt(1.0 - (b / a) ** 2)
length_boundary = float(4 * a * special.ellipe(eccentricity))
a_boundary = length_boundary / num_boundary_points
max_area = a_boundary ** 2 * np.sqrt(3) / 4
# generate points on the circle
Phi = np.linspace(0, 2 * np.pi, num_boundary_points, endpoint=False)
boundary_points = np.column_stack((a * np.cos(Phi), b * np.sin(Phi)))
info = meshpy.triangle.MeshInfo()
info.set_points(boundary_points)
def _round_trip_connect(start, end):
result = []
for i in range(start, end):
result.append((i, i + 1))
result.append((end, start))
return result
info.set_facets(_round_trip_connect(0, len(boundary_points) - 1))
def _needs_refinement(vertices, area):
return bool(area > max_area)
meshpy_mesh = meshpy.triangle.build(info, refinement_func=_needs_refinement)
# append column
pts = np.array(meshpy_mesh.points)
points = np.c_[pts[:, 0], pts[:, 1], np.zeros(len(pts))]
return points, np.array(meshpy_mesh.elements)