def fullDet(b, nu):
a = rho * b
i = ivp(nu, u1 * a) / (u1 * a * iv(nu, u1 * a))
if nu == 1:
k2 = -2
k = 0
else:
k2 = 2 * nu / (u2 * b)**2 - 1 / (nu - 1)
k = -1
X = (1 / (u1 * a)**2 + 1 / (u2 * a)**2)
P1 = jn(nu, u2 * a) * yn(nu, u2 * b) - yn(nu, u2 * a) * jn(nu, u2 * b)
P2 = (jvp(nu, u2 * a) * yn(nu, u2 * b) -
yvp(nu, u2 * a) * jn(nu, u2 * b)) / (u2 * a)
P3 = (jn(nu, u2 * a) * yvp(nu, u2 * b) -
yn(nu, u2 * a) * jvp(nu, u2 * b)) / (u2 * b)
P4 = (jvp(nu, u2 * a) * yvp(nu, u2 * b) -
yvp(nu, u2 * a) * jvp(nu, u2 * b)) / (u2 * a * u2 * b)
A = (n12 * i**2 - n32 * nu**2 * X**2)
if nu == 1:
B = 0
else:
B = 2 * n22 * n32 * nu * X * (P1 * P4 - P2 * P3)
return (n32 * k2 * A * P1**2 + (n12 + n22) * n32 * i * k2 * P1 * P2 -
(n22 + n32) * k * A * P1 * P3 -
(n12 * n32 + n22 * n22) * i * k * P1 * P4 +
n22 * n32 * k2 * P2**2 - n22 * (n12 + n32) * i * k * P2 * P3 -
n22 * (n22 + n32) * k * P2 * P4 - B)
def exact(k, R1, R2, derivs):
if (derivs):
# Bessel evaluated at R1
J0_1 = special.j0(k * R1)
Y0_1 = special.y0(k * R1)
J1_1 = special.j1(k * R1)
Y1_1 = special.y1(k * R1)
# Bessel evaluated at R2
J0_2 = special.j0(k * R2)
Y0_2 = special.y0(k * R2)
J1_2 = special.j1(k * R2)
Y1_2 = special.y1(k * R2)
#
# d Z1(k r)/dr = k*Z0(k r) - Z1(k r) / r
#
Jprime_1 = k * J0_1 - J1_1 / R1
Jprime_2 = k * J0_2 - J1_2 / R2
Yprime_1 = k * Y0_1 - Y1_1 / R1
Yprime_2 = k * Y0_2 - Y1_2 / R2
else:
Jprime_1 = special.jvp(1, k * R1, 1)
Jprime_2 = special.jvp(1, k * R2, 1)
Yprime_1 = special.yvp(1, k * R1, 1)
Yprime_2 = special.yvp(1, k * R2, 1)
# F(k r) = J'_m(kr R1) * Y'_m(kr R2) - J'_m(kr R2) * Y'_m(kr R1) = 0
return Jprime_1 * Yprime_2 - Jprime_2 * Yprime_1
def fullDet(b, nu):
a = rho * b
i = ivp(nu, u1*a) / (u1*a * iv(nu, u1*a))
if nu == 1:
k2 = -2
k = 0
else:
k2 = 2 * nu / (u2 * b)**2 - 1 / (nu - 1)
k = -1
X = (1 / (u1*a)**2 + 1 / (u2*a)**2)
P1 = jn(nu, u2*a) * yn(nu, u2*b) - yn(nu, u2*a) * jn(nu, u2*b)
P2 = (jvp(nu, u2*a) * yn(nu, u2*b) - yvp(nu, u2*a) * jn(nu, u2*b)) / (u2 * a)
P3 = (jn(nu, u2*a) * yvp(nu, u2*b) - yn(nu, u2*a) * jvp(nu, u2*b)) / (u2 * b)
P4 = (jvp(nu, u2*a) * yvp(nu, u2*b) - yvp(nu, u2*a) * jvp(nu, u2*b)) / (u2 * a * u2 * b)
A = (n12 * i**2 - n32 * nu**2 * X**2)
if nu == 1:
B = 0
else:
B = 2 * n22 * n32 * nu * X * (P1 * P4 - P2 * P3)
return (n32 * k2 * A * P1**2 +
(n12 + n22) * n32 * i * k2 * P1 * P2 -
(n22 + n32) * k * A * P1 * P3 -
(n12*n32 + n22*n22) * i * k * P1 * P4 +
n22 * n32 * k2 * P2**2 -
n22 * (n12 + n32) * i * k * P2 * P3 -
n22 * (n22 + n32) * k * P2 * P4 -
B)
def nj_dev(pr=0, m=31, n=11, deg=0):
if deg == 0:
x_mn = jn_zeros(m, n)[-1]
func = jvp(m, x_mn, 0) * yvp(m, x_mn * pr, 0)
elif deg == 1:
x_mn = jnp_zeros(m, n)[-1]
func = jvp(m, x_mn, 1) * yvp(m, x_mn * pr, 0)
print(x_mn)
return func
def test_cylindrical_bessel_y_prime():
order = np.random.randint(0, 5)
value = np.random.rand(1).item()
assert (roundScaler(NumCpp.bessel_yn_prime_Scaler(order, value), NUM_DECIMALS_ROUND) ==
roundScaler(sp.yvp(order, value).item(), NUM_DECIMALS_ROUND))
shapeInput = np.random.randint(20, 100, [2, ])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 5)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
assert np.array_equal(roundArray(NumCpp.bessel_yn_prime_Array(order, cArray), NUM_DECIMALS_ROUND),
roundArray(sp.yvp(order, data), NUM_DECIMALS_ROUND))
def compute_eigenvector(r, sigma, m, zero):
""" Return the eigenvector for the system.
Args:
r (np.array(float)): array of radial locations.
sigma (float): ratio of inner to outer radius, ri/ro.
m (int): circumferential wavenumber.
zero (float): a zero of the determinant of the convected wave equation
Returns:
the eigenvector associated with the input 'm' and 'zero', evaluated at
radial locations defined by the input array 'r'. Length of the return
array is len(r).
"""
Q_mn = -sp.jvp(m, sigma * zero) / sp.yvp(m, sigma * zero)
eigenvector = np.zeros(len(r))
for irad in range(len(r)):
eigenvector[irad] = \
sp.jv(m, zero*r[irad]) + Q_mn*sp.yv(m, zero*r[irad])
# Normalize the eigenmode. Find abs of maximum value.
ev_mag = np.absolute(eigenvector)
ev_max = np.max(ev_mag)
eigenvector = eigenvector / ev_max
return eigenvector
def _hefield(self, wl, nu, neff, r):
self._heceq(neff, wl, nu)
for i, rho in enumerate(self.fiber._r):
if r < rho:
break
else:
i += 1
layer = self.fiber.layers[i]
n = layer.maxIndex(wl)
u = layer.u(rho, neff, wl)
urp = u * r / rho
c1 = rho / u
c2 = wl.k0 * c1
c3 = nu * c1 / r if r else 0 # To avoid div by 0
c6 = constants.Y0 * n * n
if neff < n:
B1 = jn(nu, u)
B2 = yn(nu, u)
F1 = jn(nu, urp) / B1
F2 = yn(nu, urp) / B2 if i > 0 else 0
F3 = jvp(nu, urp) / B1
F4 = yvp(nu, urp) / B2 if i > 0 else 0
else:
c2 = -c2
B1 = iv(nu, u)
B2 = kn(nu, u)
F1 = iv(nu, urp) / B1
F2 = kn(nu, urp) / B2 if i > 0 else 0
F3 = ivp(nu, urp) / B1
F4 = kvp(nu, urp) / B2 if i > 0 else 0
A, B, Ap, Bp = layer.C[:, 0] + layer.C[:, 1] * self.alpha
Ez = A * F1 + B * F2
Ezp = A * F3 + B * F4
Hz = Ap * F1 + Bp * F2
Hzp = Ap * F3 + Bp * F4
if r == 0 and nu == 1:
# Asymptotic expansion of Ez (or Hz):
# J1(ur/p)/r (r->0) = u/(2p)
if neff < n:
f = 1 / (2 * jn(nu, u))
else:
f = 1 / (2 * iv(nu, u))
c3ez = A * f
c3hz = Ap * f
else:
c3ez = c3 * Ez
c3hz = c3 * Hz
Er = c2 * (neff * Ezp - constants.eta0 * c3hz)
Ep = c2 * (neff * c3ez - constants.eta0 * Hzp)
Hr = c2 * (neff * Hzp - c6 * c3ez)
Hp = c2 * (-neff * c3hz + c6 * Ezp)
return numpy.array((Er, Ep, Ez)), numpy.array((Hr, Hp, Hz))
def cutoffHE2(b):
nu = 2
a = rho * b
i = ivp(2, u1*a) / (u1*a * iv(2, u1*a))
X = (1 / (u1*a)**2 + 1 / (u2*a)**2)
P1 = jn(nu, u2*a) * yn(nu, u2*b) - yn(nu, u2*a) * jn(nu, u2*b)
P2 = (jvp(nu, u2*a) * yn(nu, u2*b) - yvp(nu, u2*a) * jn(nu, u2*b)) / (u2 * a)
P3 = (jn(nu, u2*a) * yvp(nu, u2*b) - yn(nu, u2*a) * jvp(nu, u2*b)) / (u2 * b)
P4 = (jvp(nu, u2*a) * yvp(nu, u2*b) - yvp(nu, u2*a) * jvp(nu, u2*b)) / (u2 * a * u2 * b)
A = 2 * nu / (u2 * b)**2 - 1 / (nu - 1)
return (n22 / n32 * (i*P1 + P2) * (n12*i*P3 + n22 * P4) +
(A * i * P1 + A * P2 + i*P3 + P4) * (n12*i*P1 + n22*P2) -
n32 * nu**2 * X**2 * P1 * (A * P1 + P3) -
n22 * nu * X * (nu * X * P1 * P3 + 2 * P1 * P4 - 2 * P2 * P3))
def lpConstants(self, r, neff, wl, nu, A):
u = self.u(r, neff, wl)
if neff < self.maxIndex(wl):
W = constants.pi / 2
return (W * (u * yvp(nu, u) * A[0] - yn(nu, u) * A[1]),
W * (jn(nu, u) * A[1] - u * jvp(nu, u) * A[0]))
else:
return ((u * kvp(nu, u) * A[0] - kn(nu, u) * A[1]),
(iv(nu, u) * A[1] - u * ivp(nu, u) * A[0]))
def lpConstants(self, r, neff, wl, nu, A):
u = self.u(r, neff, wl)
if neff < self.maxIndex(wl):
W = constants.pi / 2
return (W * (u * yvp(nu, u) * A[0] - yn(nu, u) * A[1]),
W * (jn(nu, u) * A[1] - u * jvp(nu, u) * A[0]))
else:
return ((u * kvp(nu, u) * A[0] - kn(nu, u) * A[1]),
(iv(nu, u) * A[1] - u * ivp(nu, u) * A[0]))
def solve_for_AB(k, R1, R2):
# solve the system for A,B
#
# / J'_m(k R1) Y'_m(k R1) \ /A\ -- /0\
# \ J'_m(k R2) Y'_m(k R2) / \B/ -- \0/
M = numpy.zeros((2, 2))
M[0][0] = special.jvp(1, k * R1, 1) # Jprime_1 at R1
M[0][1] = special.yvp(1, k * R1, 1) # Yprime_1 at R1
M[1][0] = special.jvp(1, k * R2, 1) # Jprime_1 at R2
M[1][1] = special.yvp(1, k * R2, 1) # Yprime_1 at R2
# close but no cigar to zero, otherwise it returns x=(0,0)
b = numpy.array([1.e-16, 1.e-16])
x = numpy.linalg.solve(M, b)
return x[0], x[1]
def cutoffHE1(b):
a = rho * b
i = ivp(1, u1*a) / (u1*a * i1(u1*a))
X = (1 / (u1*a)**2 + 1 / (u2*a)**2)
P = j1(u2*a) * y1(u2*b) - y1(u2*a) * j1(u2*b)
Ps = (jvp(1, u2*a) * y1(u2*b) - yvp(1, u2*a) * j1(u2*b)) / (u2 * a)
return (i * P + Ps) * (n12 * i * P + n22 * Ps) - n32 * X * X * P * P
def cutoffHE1(b):
a = rho * b
i = ivp(1, u1 * a) / (u1 * a * i1(u1 * a))
X = (1 / (u1 * a)**2 + 1 / (u2 * a)**2)
P = j1(u2 * a) * y1(u2 * b) - y1(u2 * a) * j1(u2 * b)
Ps = (jvp(1, u2 * a) * y1(u2 * b) - yvp(1, u2 * a) * j1(u2 * b)) / (u2 * a)
return (i * P + Ps) * (n12 * i * P + n22 * Ps) - n32 * X * X * P * P
def EH_fields(self, ri, ro, nu, neff, wl, EH, tm=True):
"""
modify EH in-place (for speed)
"""
n = self.maxIndex(wl)
u = self.u(ro, neff, wl)
if ri == 0:
if nu == 0:
if tm:
self.C = numpy.array([1., 0., 0., 0.])
else:
self.C = numpy.array([0., 0., 1., 0.])
else:
self.C = numpy.zeros((4, 2))
self.C[0, 0] = 1 # Ez = 1
self.C[2, 1] = 1 # Hz = alpha
elif nu == 0:
self.C = numpy.zeros(4)
if tm:
c = constants.Y0 * n * n
idx = (0, 3)
self.C[:2] = self.tetmConstants(ri, ro, neff, wl, EH, c, idx)
else:
c = -constants.eta0
idx = (1, 2)
self.C[2:] = self.tetmConstants(ri, ro, neff, wl, EH, c, idx)
else:
self.C = self.vConstants(ri, ro, neff, wl, nu, EH)
# Compute EH fields
if neff < n:
c1 = wl.k0 * ro / u
F3 = jvp(nu, u) / jn(nu, u)
F4 = yvp(nu, u) / yn(nu, u)
else:
c1 = -wl.k0 * ro / u
F3 = ivp(nu, u) / iv(nu, u)
F4 = kvp(nu, u) / kn(nu, u)
c2 = neff * nu / u * c1
c3 = constants.eta0 * c1
c4 = constants.Y0 * n * n * c1
EH[0] = self.C[0] + self.C[1]
EH[1] = self.C[2] + self.C[3]
EH[2] = (c2 * (self.C[0] + self.C[1]) - c3 *
(F3 * self.C[2] + F4 * self.C[3]))
EH[3] = (c4 * (F3 * self.C[0] + F4 * self.C[1]) - c2 *
(self.C[2] + self.C[3]))
return EH
def EH_fields(self, ri, ro, nu, neff, wl, EH, tm=True):
"""
modify EH in-place (for speed)
"""
n = self.maxIndex(wl)
u = self.u(ro, neff, wl)
if ri == 0:
if nu == 0:
if tm:
self.C = numpy.array([1., 0., 0., 0.])
else:
self.C = numpy.array([0., 0., 1., 0.])
else:
self.C = numpy.zeros((4, 2))
self.C[0, 0] = 1 # Ez = 1
self.C[2, 1] = 1 # Hz = alpha
elif nu == 0:
self.C = numpy.zeros(4)
if tm:
c = constants.Y0 * n * n
idx = (0, 3)
self.C[:2] = self.tetmConstants(ri, ro, neff, wl, EH, c, idx)
else:
c = -constants.eta0
idx = (1, 2)
self.C[2:] = self.tetmConstants(ri, ro, neff, wl, EH, c, idx)
else:
self.C = self.vConstants(ri, ro, neff, wl, nu, EH)
# Compute EH fields
if neff < n:
c1 = wl.k0 * ro / u
F3 = jvp(nu, u) / jn(nu, u)
F4 = yvp(nu, u) / yn(nu, u)
else:
c1 = -wl.k0 * ro / u
F3 = ivp(nu, u) / iv(nu, u)
F4 = kvp(nu, u) / kn(nu, u)
c2 = neff * nu / u * c1
c3 = constants.eta0 * c1
c4 = constants.Y0 * n * n * c1
EH[0] = self.C[0] + self.C[1]
EH[1] = self.C[2] + self.C[3]
EH[2] = (c2 * (self.C[0] + self.C[1]) -
c3 * (F3 * self.C[2] + F4 * self.C[3]))
EH[3] = (c4 * (F3 * self.C[0] + F4 * self.C[1]) -
c2 * (self.C[2] + self.C[3]))
return EH
def cutoffHE2(b):
nu = 2
a = rho * b
i = ivp(2, u1 * a) / (u1 * a * iv(2, u1 * a))
X = (1 / (u1 * a)**2 + 1 / (u2 * a)**2)
P1 = jn(nu, u2 * a) * yn(nu, u2 * b) - yn(nu, u2 * a) * jn(nu, u2 * b)
P2 = (jvp(nu, u2 * a) * yn(nu, u2 * b) -
yvp(nu, u2 * a) * jn(nu, u2 * b)) / (u2 * a)
P3 = (jn(nu, u2 * a) * yvp(nu, u2 * b) -
yn(nu, u2 * a) * jvp(nu, u2 * b)) / (u2 * b)
P4 = (jvp(nu, u2 * a) * yvp(nu, u2 * b) -
yvp(nu, u2 * a) * jvp(nu, u2 * b)) / (u2 * a * u2 * b)
A = 2 * nu / (u2 * b)**2 - 1 / (nu - 1)
return (n22 / n32 * (i * P1 + P2) * (n12 * i * P3 + n22 * P4) +
(A * i * P1 + A * P2 + i * P3 + P4) * (n12 * i * P1 + n22 * P2) -
n32 * nu**2 * X**2 * P1 * (A * P1 + P3) - n22 * nu * X *
(nu * X * P1 * P3 + 2 * P1 * P4 - 2 * P2 * P3))
def eigensystem(b, m, ri, ro):
r""" Computes the function associated with the eigensystem of the
convected wave equation. The location of the zeros for this function
correspond to the eigenvalues for the convected wave equation.
The solution to the Bessel equation with boundary conditions applied
yields a system of two linear equations.
.. math::
A x =
\begin{bmatrix}
J'_m(\mu \lambda) & Y'_m(\mu \lambda) \\
J'_m(\mu) & Y'_m(\mu)
\end{bmatrix}
\begin{bmatrix}
x_1 \\ x_2
\end{bmatrix}
= 0
This procedure evaluates the function
.. math::
det(A) = f(b) = J_m(b*ri)*Y_m(b*ro) - J_m(b*ro)*Y_m(b*ri)
So, this procedure can be passed to another routine such as numpy
to find zeros.
Args:
b (float): coordinate.
m (int): circumferential wave number.
ri (float): inner radius of a circular annulus.
ro (float): outer radius of a circular annulus.
"""
f = sp.jvp(m, b * ri) * sp.yvp(m, b * ro) - sp.jvp(m, b * ro) * sp.yvp(
m, b * ri)
return f
def Psi(self, r, neff, wl, nu, C):
u = self.u(r, neff, wl)
if neff < self.maxIndex(wl):
psi = (C[0] * jn(nu, u) + C[1] * yn(nu, u) if C[1] else C[0] *
jn(nu, u))
psip = u * (C[0] * jvp(nu, u) +
C[1] * yvp(nu, u) if C[1] else C[0] * jvp(nu, u))
else:
psi = (C[0] * iv(nu, u) + C[1] * kn(nu, u) if C[1] else C[0] *
iv(nu, u))
psip = u * (C[0] * ivp(nu, u) +
C[1] * kvp(nu, u) if C[1] else C[0] * ivp(nu, u))
# if numpy.isnan(psi):
# print(neff, self.maxIndex(wl), C, r)
return psi, psip
def Psi(self, r, neff, wl, nu, C):
u = self.u(r, neff, wl)
if neff < self.maxIndex(wl):
psi = (C[0] * jn(nu, u) + C[1] * yn(nu, u) if C[1] else
C[0] * jn(nu, u))
psip = u * (C[0] * jvp(nu, u) + C[1] * yvp(nu, u) if C[1] else
C[0] * jvp(nu, u))
else:
psi = (C[0] * iv(nu, u) + C[1] * kn(nu, u) if C[1] else
C[0] * iv(nu, u))
psip = u * (C[0] * ivp(nu, u) + C[1] * kvp(nu, u) if C[1] else
C[0] * ivp(nu, u))
# if numpy.isnan(psi):
# print(neff, self.maxIndex(wl), C, r)
return psi, psip
def JnYn(maxn, resolution):
delta = numpy.pi / resolution
z_table = numpy.mgrid[min(minz_j(maxn), minz_y(maxn)) : max(maxz_j(maxn), maxz_y(maxn)) : delta]
J_table = []
Jdot_table = []
Y_table = []
Ydot_table = []
for n in range(maxn + 1):
J_table.append(special.jn(n, z_table))
Jdot_table.append(special.jvp(n, z_table))
Y_table.append(special.yn(n, z_table))
Ydot_table.append(special.yvp(n, z_table))
return z_table, J_table, Jdot_table, Y_table, Ydot_table
def JnYn(maxn, resolution):
delta = numpy.pi / resolution
z_table = numpy.mgrid[min(minz_j(maxn),minz_y(maxn)):
max(maxz_j(maxn), maxz_y(maxn)):delta]
J_table = []
Jdot_table = []
Y_table = []
Ydot_table = []
for n in range(maxn+1):
J_table.append(special.jn(n, z_table))
Jdot_table.append(special.jvp(n, z_table))
Y_table.append(special.yn(n, z_table))
Ydot_table.append(special.yvp(n, z_table))
return z_table, J_table, Jdot_table, Y_table, Ydot_table
def vConstants(self, ri, ro, neff, wl, nu, EH):
a = numpy.zeros((4, 4))
n = self.maxIndex(wl)
u = self.u(ro, neff, wl)
urp = self.u(ri, neff, wl)
if neff < n:
B1 = jn(nu, u)
B2 = yn(nu, u)
F1 = jn(nu, urp) / B1
F2 = yn(nu, urp) / B2
F3 = jvp(nu, urp) / B1
F4 = yvp(nu, urp) / B2
c1 = wl.k0 * ro / u
else:
B1 = iv(nu, u)
B2 = kn(nu, u)
F1 = iv(nu, urp) / B1 if u else 1
F2 = kn(nu, urp) / B2
F3 = ivp(nu, urp) / B1 if u else 1
F4 = kvp(nu, urp) / B2
c1 = -wl.k0 * ro / u
c2 = neff * nu / urp * c1
c3 = constants.eta0 * c1
c4 = constants.Y0 * n * n * c1
a[0, 0] = F1
a[0, 1] = F2
a[1, 2] = F1
a[1, 3] = F2
a[2, 0] = F1 * c2
a[2, 1] = F2 * c2
a[2, 2] = -F3 * c3
a[2, 3] = -F4 * c3
a[3, 0] = F3 * c4
a[3, 1] = F4 * c4
a[3, 2] = -F1 * c2
a[3, 3] = -F2 * c2
return numpy.linalg.solve(a, EH)
def _tmfield(self, wl, nu, neff, r):
N = len(self.fiber)
C = numpy.array((1, 0))
EH = numpy.zeros(4)
ri = 0
for i in range(N-1):
ro = self.fiber.outerRadius(i)
layer = self.fiber.layers[i]
n = layer.maxIndex(wl)
u = layer.u(ro, neff, wl)
if i > 0:
C = layer.tetmConstants(ri, ro, neff, wl, EH,
constants.Y0 * n * n, (0, 3))
if r < ro:
break
if neff < n:
c1 = wl.k0 * ro / u
F3 = jvp(nu, u) / jn(nu, u)
F4 = yvp(nu, u) / yn(nu, u)
else:
c1 = -wl.k0 * ro / u
F3 = ivp(nu, u) / iv(nu, u)
F4 = kvp(nu, u) / kn(nu, u)
c4 = constants.Y0 * n * n * c1
EH[0] = C[0] + C[1]
EH[3] = c4 * (F3 * C[0] + F4 * C[1])
ri = ro
else:
layer = self.fiber.layers[-1]
u = layer.u(ro, neff, wl)
# C =
return numpy.array((0, ephi, 0)), numpy.array((hr, 0, hz))
def vConstants(self, ri, ro, neff, wl, nu, EH):
a = numpy.zeros((4, 4))
n = self.maxIndex(wl)
u = self.u(ro, neff, wl)
urp = self.u(ri, neff, wl)
if neff < n:
B1 = jn(nu, u)
B2 = yn(nu, u)
F1 = jn(nu, urp) / B1
F2 = yn(nu, urp) / B2
F3 = jvp(nu, urp) / B1
F4 = yvp(nu, urp) / B2
c1 = wl.k0 * ro / u
else:
B1 = iv(nu, u)
B2 = kn(nu, u)
F1 = iv(nu, urp) / B1 if u else 1
F2 = kn(nu, urp) / B2
F3 = ivp(nu, urp) / B1 if u else 1
F4 = kvp(nu, urp) / B2
c1 = -wl.k0 * ro / u
c2 = neff * nu / urp * c1
c3 = constants.eta0 * c1
c4 = constants.Y0 * n * n * c1
a[0, 0] = F1
a[0, 1] = F2
a[1, 2] = F1
a[1, 3] = F2
a[2, 0] = F1 * c2
a[2, 1] = F2 * c2
a[2, 2] = -F3 * c3
a[2, 3] = -F4 * c3
a[3, 0] = F3 * c4
a[3, 1] = F4 * c4
a[3, 2] = -F1 * c2
a[3, 3] = -F2 * c2
return numpy.linalg.solve(a, EH)
nargs=2)
parser.add_argument("--lxy", dest="lxy", default=(100, 100), type=float)
opt = parser.parse_args()
print(opt, argvs)
freq = convert_SI(opt.freq, unit_in='GHz', unit_out='Hz')
wave = cnt.c / freq * convert(unit_in="m", unit_out="mm")
px = np.linspace(-opt.lxy[0] / 2, opt.lxy[0] / 2, opt.nxy[0])
py = np.linspace(-opt.lxy[1] / 2, opt.lxy[1] / 2, opt.nxy[1])
mesh = np.meshgrid(px, py)
x, y = mesh[0], mesh[1]
r, t = np.sqrt(x**2 + y**2), np.arctan(y / x)
m, n = opt.mn
a, b = opt.radi
if opt.mn[0] == 0:
e_m = 1
else:
e_m = 2
x0_i = jn_zeros(*opt.mn)[-1]
x1_i = jnp_zeros(*opt.mn)[-1]
func = jv(m, x1_i * r / b) * yvp(m, x1_i) - \
jvp(m, x1_i) * yv(m, x1_i * r / b)
obj = plot2d(aspect="auto")
obj.axs.contourf(x, y, func)
obj.SavePng()
freq = np.fft.fftfreq(n, 1 / Fs)
T = np.linspace(0, n * t, num=n, endpoint=False) # From 0 to n-1 t
U = np.zeros(np.shape(T))
#omega = np.linspace(0,2*np.pi*Fs,n)
epsilon = 1 / (0.2 * n * t)
omega = 2 * np.pi * freq[0:n // 2 + 1] - 1j * epsilon
k = omega / bbeta
pome = 2 * np.pi * 0.1
R = 2 * omega**2 / (np.pi**0.5 * pome**3) * np.exp(-omega**2 / pome**2)
for m in range(-N, N + 1):
print('m=', m)
alpha = -spf.jvp(m, k * a) / spf.yvp(m, k * a)
beta = (spf.jv(m, k * rs) + alpha * spf.yv(m, k * rs)) / spf.hankel2(
m, k * rs)
c1 = (spf.jvp(m, k * rs) + alpha * spf.yvp(m, k * rs) -
beta * spf.h2vp(m, k * rs))**(-1) / (k * mu * 2 * np.pi * rs) * R
c2 = alpha * c1
c3 = beta * c1
if r < a:
disp_m = 0
elif r >= a and r < rs:
disp_m = c1 * spf.jv(m, k * r) + c2 * spf.yv(m, k * r)
elif rs <= r:
disp_m = c3 * spf.hankel2(m, k * r)
disp_m = np.append(disp_m, np.conj(disp_m[::-1][0:-1]))
disp_t = np.fft.ifft(disp_m) * np.exp(epsilon * T)
a, b = opt.radi
pr = np.linspace(10, 50, 1000)
m = 5
n = 10
print(jn_zeros(m, n)[-1])
print(jnp_zeros(m, n)[-1])
print(yn_zeros(m, n)[-1])
print(ynp_zeros(m, n)[-1])
x0_mn_1 = jn_zeros(m, 5)[-1]
x1_mn_1 = jnp_zeros(m, 5)[-1]
x0_mn_2 = jn_zeros(m, 7)[-1]
x1_mn_2 = jnp_zeros(m, 7)[-1]
d_1 = jvp(m, pr, 0) * yvp(m, x1_mn_1, 1) - \
yvp(m, pr, 0) * jvp(m, x1_mn_1, 1)
d_2 = jvp(m, pr, 0) * yvp(m, x1_mn_2, 1) - \
yvp(m, pr, 0) * jvp(m, x1_mn_2, 1)
plt.figure()
plt.plot(pr, d_1)
plt.plot(pr, d_2)
plt.grid()
plt.figure()
plt.plot(pr, jvp(m, pr, 0) * yvp(m, x1_mn_1, 1))
plt.plot(pr, jvp(m, pr, 0) * yvp(m, x1_mn_2, 1))
plt.grid()
plt.figure()
def z(self,x):
'Z(x) equation that keeps showing up in waveguide modes'
m, n, chi = self.m, self.n, self.root
return yvp(m,chi,1)*jn(m,x)-jvp(m,chi,1)*yn(m,x)
X = R*np.cos(Th)
Y = R*np.sin(Th)
U = np.zeros(np.shape(X))
sig1 = (R>=a)*(R<rs)
sig2 = (R>=rs)
U = np.zeros(np.shape(X))
mlist = list(range(-N,N+1))
k = omega/bbeta
for m in mlist:
print('m=',m)
alpha = -spf.jvp(m,k*a)/spf.yvp(m,k*a)
beta = (spf.jn(m,k*rs)+alpha*spf.yn(m,k*rs))/spf.hankel2(m,k*rs)
c1 = (spf.jvp(m,k*rs)+alpha*spf.yvp(m,k*rs)-beta*spf.h2vp(m,k*rs))**(-1)/(k*mu*2*np.pi*rs)
c2 = alpha*c1
c3 = beta*c1
disp1_m = c1*spf.jn(m,k*R)+c2*spf.yn(m,k*R)
disp2_m = c3*spf.hankel2(m,k*R)
disp_m = disp1_m*sig1.astype(int)+disp2_m*sig2.astype(int)
U = U + disp_m*np.exp(1j*m*Th)
# alpha = -spf.h1vp(m,k*a)/spf.h2vp(m,k*a)
# beta = (spf.hankel1(m,k*rs)+alpha*spf.hankel2(m,k*rs))/spf.hankel2(m,k*rs)
# c1 = (spf.h1vp(m,k*rs)+alpha*spf.h2vp(m,k*rs)-beta*spf.h2vp(m,k*rs))**(-1)/(k*mu*2*np.pi*rs)
def z_dash(self,x):
''' Z'(x) equation for waveguide mode '''
m, n, chi = self.m, self.n, self.root
# jvp(m,x,r) is the rth derivative of the bessel function of order m evaluated at x
return yn(m,chi)*jvp(m,x,1)-jn(m,chi)*yvp(m,x,1)
def root_equation(self,m,c,x):
'''Radial root equation of Phi for TE mode'''
return yvp(m,x,1)*jvp(m,c*x,1)-jvp(m,x,1)*yvp(m,c*x,1)
def doTest():
print(colored('Testing Special Module', 'magenta'))
print(colored('Testing airy_ai scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.airy_ai_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.airy(value)[0].item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_ai array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.airy_ai_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.airy(data)[0], NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_ai_prime scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.airy_ai_prime_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.airy(value)[1].item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_ai_prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.airy_ai_prime_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.airy(data)[1], NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_bi scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.airy_bi_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.airy(value)[2].item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_bi array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.airy_bi_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.airy(data)[2], NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_bi_prime scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.airy_bi_prime_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.airy(value)[3].item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing airy_bi_prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.airy_bi_prime_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.airy(data)[3], NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bernoulli scaler', 'cyan'))
value = np.random.randint(0, 20)
if (roundScaler(NumCpp.bernoulli_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.bernoulli(value)[-1], NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_in scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_in_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.iv(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_in array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 10)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_in_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.iv(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_in_prime scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_in_prime_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.ivp(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_in_prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 10)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_in_prime_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.ivp(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_jn scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_jn_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.jv(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_jn array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 10)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_jn_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.jv(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_jn_prime scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_jn_prime_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.jvp(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_jn_prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 10)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_jn_prime_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.jvp(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_kn scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_kn_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.kn(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_kn array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 5)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_kn_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.kn(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_kn_prime scaler', 'cyan'))
order = np.random.randint(0, 5)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_kn_prime_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.kvp(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_kn_prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 5)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_kn_prime_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.kvp(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_yn scaler', 'cyan'))
order = np.random.randint(0, 5)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_yn_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.yn(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_yn array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 5)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_yn_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.yn(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_yn_prime scaler', 'cyan'))
order = np.random.randint(0, 5)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.bessel_yn_prime_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.yvp(order, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing bessel_yn_prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 5)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.bessel_yn_prime_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.yvp(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing beta scaler', 'cyan'))
a = np.random.rand(1).item() * 10
b = np.random.rand(1).item() * 10
if (roundScaler(NumCpp.beta_Scaler(a, b),
NUM_DECIMALS_ROUND) == roundScaler(
sp.beta(a, b).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing beta array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
aArray = NumCpp.NdArray(shape)
bArray = NumCpp.NdArray(shape)
a = np.random.rand(shape.rows, shape.cols) * 10
b = np.random.rand(shape.rows, shape.cols) * 10
aArray.setArray(a)
bArray.setArray(b)
if np.array_equal(
roundArray(NumCpp.beta_Array(aArray, bArray), NUM_DECIMALS_ROUND),
roundArray(sp.beta(a, b), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing cnr', 'cyan'))
n = np.random.randint(0, 50)
r = np.random.randint(0, n + 1)
if round(NumCpp.cnr(n, r)) == round(sp.comb(n, r)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing cyclic_hankel_1', 'cyan'))
order = np.random.randint(0, 6)
value = np.random.rand(1).item() * 10
if (roundComplex(complex(NumCpp.cyclic_hankel_1(order, value)),
NUM_DECIMALS_ROUND) == roundComplex(
sp.hankel1(order, value), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing cyclic_hankel_2', 'cyan'))
order = np.random.randint(0, 6)
value = np.random.rand(1).item() * 10
if (roundComplex(complex(NumCpp.cyclic_hankel_2(order, value)),
NUM_DECIMALS_ROUND) == roundComplex(
sp.hankel2(order, value), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing digamma scaler', 'cyan'))
value = np.random.rand(1).item() * 10
if (roundScaler(NumCpp.digamma_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.digamma(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing digamma array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols) * 10
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.digamma_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.digamma(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erf scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.erf_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.erf(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erf array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(roundArray(NumCpp.erf_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.erf(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erf_inv scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.erf_inv_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.erfinv(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erf_inv array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.erf_inv_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.erfinv(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erfc scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.erfc_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.erfc(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erfc array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.erfc_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.erfc(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erfc_inv scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.erfc_inv_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.erfcinv(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing erfc_inv array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.erfc_inv_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.erfcinv(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing factorial scaler', 'cyan'))
n = np.random.randint(0, 170)
if (roundScaler(NumCpp.factorial_Scaler(n),
NUM_DECIMALS_ROUND) == roundScaler(
sp.factorial(n).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing factorial array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArrayUInt32(shape)
data = np.random.randint(0, 170, [shape.rows, shape.cols])
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.factorial_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.factorial(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing gamma scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.gamma_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.gamma(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing gamma array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.gamma_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.gamma(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
# There is no scipy equivalent to this function
print(colored('Testing gamma1pm1 scaler', 'cyan'))
value = np.random.rand(1).item()
answer = NumCpp.gamma1pm1_Scaler(value)
print(colored('\tPASS', 'green'))
print(colored('Testing gamma1pm1 array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
answer = NumCpp.gamma1pm1_Array(cArray)
print(colored('\tPASS', 'green'))
print(colored('Testing log_gamma scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.log_gamma_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(sp.loggamma(value),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing log_gamma array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.log_gamma_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.loggamma(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing pnr', 'cyan'))
n = np.random.randint(0, 10)
r = np.random.randint(0, n + 1)
if round(NumCpp.pnr(n, r)) == round(sp.perm(n, r)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing polygamma scaler', 'cyan'))
order = np.random.randint(1, 5)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.polygamma_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.polygamma(order, value).item(),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing polygamma array', 'cyan'))
order = np.random.randint(1, 5)
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.polygamma_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.polygamma(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
# There is no scipy equivalent to this function
print(colored('Testing prime scaler', 'cyan'))
value = np.random.randint(10000)
answer = NumCpp.prime_Scaler(value)
print(colored('\tPASS', 'green'))
print(colored('Testing prime array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArrayUInt32(shape)
data = np.random.randint(0, 10000, [shape.rows, shape.cols])
cArray.setArray(data)
answer = NumCpp.prime_Array(cArray)
print(colored('\tPASS', 'green'))
print(colored('Testing riemann_zeta scaler', 'cyan'))
value = np.random.rand(1).item() * 5 + 1
if (roundScaler(NumCpp.riemann_zeta_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.zeta(value, 1).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing riemann_zeta array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols) * 5 + 1
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.riemann_zeta_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.zeta(data, 1), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing softmax Axis::None', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.softmax(cArray, NumCpp.Axis.NONE),
NUM_DECIMALS_ROUND),
roundArray(sp.softmax(data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing spherical_bessel_jn scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.spherical_bessel_jn_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.spherical_jn(order, value).item(),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing spherical_bessel_jn array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 10)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.spherical_bessel_jn_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.spherical_jn(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing spherical_bessel_yn scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
if (roundScaler(NumCpp.spherical_bessel_yn_Scaler(order, value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.spherical_yn(order, value).item(),
NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing spherical_bessel_yn array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
order = np.random.randint(0, 10)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.spherical_bessel_yn_Array(order, cArray),
NUM_DECIMALS_ROUND),
roundArray(sp.spherical_yn(order, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
# There is no equivalent scipy functions
print(colored('Testing spherical_hankel_1 scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
result = NumCpp.spherical_hankel_1(order, value)
print(colored('\tPASS', 'green'))
print(colored('Testing spherical_hankel_2 scaler', 'cyan'))
order = np.random.randint(0, 10)
value = np.random.rand(1).item()
result = NumCpp.spherical_hankel_2(order, value)
print(colored('\tPASS', 'green'))
print(colored('Testing trigamma scaler', 'cyan'))
value = np.random.rand(1).item()
if (roundScaler(NumCpp.trigamma_Scaler(value),
NUM_DECIMALS_ROUND) == roundScaler(
sp.polygamma(1, value).item(), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
print(colored('Testing trigamma array', 'cyan'))
shapeInput = np.random.randint(20, 100, [
2,
])
shape = NumCpp.Shape(shapeInput[0].item(), shapeInput[1].item())
cArray = NumCpp.NdArray(shape)
data = np.random.rand(shape.rows, shape.cols)
cArray.setArray(data)
if np.array_equal(
roundArray(NumCpp.trigamma_Array(cArray), NUM_DECIMALS_ROUND),
roundArray(sp.polygamma(1, data), NUM_DECIMALS_ROUND)):
print(colored('\tPASS', 'green'))
else:
print(colored('\tFAIL', 'red'))
i_a0 = np.where(R[0] >= a0)[0][0]
i_a1 = np.where(R[0] >= a1)[0][0]
i_rs = np.where(R[0] >= rs)[0][0]
U = np.zeros(np.shape(X))
disp_m = np.zeros(np.shape(U))
mlist = list(range(-N, N + 1))
k0 = omega / bbeta0
k1 = omega / bbeta1
for m in range(-N, N + 1):
print('m=', m)
A = np.array([[spf.jvp(m, k0 * a0),
spf.yvp(m, k0 * a0), 0, 0, 0],
[
spf.jn(m, k0 * a1),
spf.yn(m, k0 * a1), -spf.jn(m, k1 * a1),
-spf.yn(m, k1 * a1), 0
],
[
spf.jvp(m, k0 * a1),
spf.yvp(m, k0 * a1),
-mu1 / mu0 * bbeta0 / bbeta1 * spf.jvp(m, k1 * a1),
-mu1 / mu0 * bbeta0 / bbeta1 * spf.yvp(m, k1 * a1), 0
],
[
0, 0,
spf.jn(m, k1 * rs),
spf.yn(m, k1 * rs), -spf.hankel2(m, k1 * rs)
a, b = opt.radi
pr = np.linspace(10, 50, 1000)
m = 5
n = 10
print(jn_zeros(m, n)[-1])
print(jnp_zeros(m, n)[-1])
print(yn_zeros(m, n)[-1])
print(ynp_zeros(m, n)[-1])
x0_mn_1 = jn_zeros(m, 5)[-1]
x1_mn_1 = jnp_zeros(m, 5)[-1]
x0_mn_2 = jn_zeros(m, 7)[-1]
x1_mn_2 = jnp_zeros(m, 7)[-1]
d_1 = jvp(m, pr, 0) * yvp(m, x1_mn_1, 1) - \
yvp(m, pr, 0) * jvp(m, x1_mn_1, 1)
d_2 = jvp(m, pr, 0) * yvp(m, x1_mn_2, 1) - \
yvp(m, pr, 0) * jvp(m, x1_mn_2, 1)
obj = plot2d(aspect="auto")
obj.axs.plot(pr, d_1)
obj.axs.plot(pr, d_2)
obj.SavePng_Serial()
obj.new_2Dfig(aspect="auto")
obj.axs.plot(pr, jvp(m, pr, 0) * yvp(m, x1_mn_1, 1))
obj.axs.plot(pr, jvp(m, pr, 0) * yvp(m, x1_mn_2, 1))
obj.SavePng_Serial()
obj.new_2Dfig(aspect="auto")
def coeq(v0, nu, fiber):
r1, r2 = fiber.rho
n1, n2, n3 = fiber.n
na = sqrt(max(fiber.n)**2 - n3**2)
K0 = v0 / (na * r2)
beta = K0 * n3
if n1 > n3:
u1 = K0**2 * (n1**2 - n3**2)
s1 = 1
else:
u1 = K0**2 * (n3**2 - n1**2)
s1 = -1
if n2 > n3:
u2 = K0**2 * (n2**2 - n3**2)
s2 = 1
else:
u2 = K0**2 * (n3**2 - n2**2)
s2 = -1
s = -s1 * s2
u1r1 = u1 * r1
u2r1 = u2 * r1
u2r2 = u2 * r2
X = (u2r1**2 + s * u1r1**2) * nu * beta
if s1 == 1:
Y = jvp(nu, u1r1) / jn(nu, u1r1)
else:
Y = ivp(nu, u1r1) / iv(nu, u1r1)
ju2r1 = jn(nu, u2r1) if s2 == 1 else iv(nu, u2r1)
nu2r1 = yn(nu, u2r1) if s2 == 1 else kn(nu, u2r1)
jpu2r1 = jvp(nu, u2r1) if s2 == 1 else ivp(nu, u2r1)
npu2r1 = yvp(nu, u2r1) if s2 == 1 else kvp(nu, u2r1)
ju2r2 = jn(nu, u2r2) if s2 == 1 else iv(nu, u2r2)
nu2r2 = yn(nu, u2r2) if s2 == 1 else kn(nu, u2r2)
j1u2r2 = jn(nu + 1, u2r2)
n1u2r2 = yn(nu + 1, u2r2)
M = numpy.empty((4, 4))
M[0, 0] = X * ju2r1
M[0, 1] = X * nu2r1
M[0, 2] = -K0 * (jpu2r1 * u1r1 + s * Y * ju2r1 * u2r1) * u1r1 * u2r1
M[0, 3] = -K0 * (npu2r1 * u1r1 + s * Y * nu2r1 * u2r1) * u1r1 * u2r1
M[1, 0] = -K0 * (n2**2 * jpu2r1 * u1r1 +
s * n1**2 * Y * ju2r1 * u2r1) * u1r1 * u2r1
M[1, 1] = -K0 * (n2**2 * npu2r1 * u1r1 +
s * n1**2 * Y * nu2r1 * u2r1) * u1r1 * u2r1
M[1, 2] = X * ju2r1
M[1, 3] = X * nu2r1
D201 = nu * n3 / u2r2 * (j1u2r2 * nu2r2 - ju2r2 * yn(nu + 1, u2r2))
D202 = -(
(n2**2 + n3**2) * nu * n1u2r2 * nu2r2 / u2r2 + n3**2 * nu * nu2r2**2 /
(nu - 1))
D203 = -(n2**2 * nu * ju2r2 * n1u2r2 / u2r2 +
n3**2 * nu * nu2r2 * j1u2r2 / u2r2 + n3**2 * nu *
(j1u2r2 * nu2r2 + n1u2r2 * ju2r2) / (2 * (nu - 1)))
D212 = -(n2**2 * nu * nu2r2 * j1u2r2 / u2r2 +
n3**2 * nu * ju2r2 * n1u2r2 / u2r2 + n3**2 * nu *
(n1u2r2 * ju2r2 + j1u2r2 * nu2r2) / (2 * (nu - 1)))
D213 = -(
(n2**2 + n3**2) * nu * j1u2r2 * ju2r2 / u2r2 + n3**2 * nu * ju2r2**2 /
(nu - 1))
D223 = nu * n2**2 * n3 / u2r2 * (j1u2r2 * nu2r2 - ju2r2 * n1u2r2)
D30 = M[1, 1] * D201 - M[1, 2] * D202 + M[1, 3] * D203
D31 = M[1, 0] * D201 - M[1, 2] * D212 + M[1, 3] * D213
D32 = M[1, 0] * D202 - M[1, 1] * D212 + M[1, 3] * D223
D33 = M[1, 0] * D203 - M[1, 1] * D213 + M[1, 2] * D223
return M[0, 0] * D30 - M[0, 1] * D31 + M[0, 2] * D32 - M[0, 3] * D33
def coeq(v0, nu, fiber):
r1, r2 = fiber.rho
n1, n2, n3 = fiber.n
na = sqrt(max(fiber.n)**2 - n3**2)
K0 = v0 / (na * r2)
beta = K0 * n3
if n1 > n3:
u1 = K0**2 * (n1**2 - n3**2)
s1 = 1
else:
u1 = K0**2 * (n3**2 - n1**2)
s1 = -1
if n2 > n3:
u2 = K0**2 * (n2**2 - n3**2)
s2 = 1
else:
u2 = K0**2 * (n3**2 - n2**2)
s2 = -1
s = -s1 * s2
u1r1 = u1 * r1
u2r1 = u2 * r1
u2r2 = u2 * r2
X = (u2r1**2 + s * u1r1**2) * nu * beta
if s1 == 1:
Y = jvp(nu, u1r1) / jn(nu, u1r1)
else:
Y = ivp(nu, u1r1) / iv(nu, u1r1)
ju2r1 = jn(nu, u2r1) if s2 == 1 else iv(nu, u2r1)
nu2r1 = yn(nu, u2r1) if s2 == 1 else kn(nu, u2r1)
jpu2r1 = jvp(nu, u2r1) if s2 == 1 else ivp(nu, u2r1)
npu2r1 = yvp(nu, u2r1) if s2 == 1 else kvp(nu, u2r1)
ju2r2 = jn(nu, u2r2) if s2 == 1 else iv(nu, u2r2)
nu2r2 = yn(nu, u2r2) if s2 == 1 else kn(nu, u2r2)
j1u2r2 = jn(nu+1, u2r2)
n1u2r2 = yn(nu+1, u2r2)
M = numpy.empty((4, 4))
M[0, 0] = X * ju2r1
M[0, 1] = X * nu2r1
M[0, 2] = -K0 * (jpu2r1 * u1r1 + s * Y * ju2r1 * u2r1) * u1r1 * u2r1
M[0, 3] = -K0 * (npu2r1 * u1r1 + s * Y * nu2r1 * u2r1) * u1r1 * u2r1
M[1, 0] = -K0 * (n2**2 * jpu2r1 * u1r1 +
s * n1**2 * Y * ju2r1 * u2r1) * u1r1 * u2r1
M[1, 1] = -K0 * (n2**2 * npu2r1 * u1r1 +
s * n1**2 * Y * nu2r1 * u2r1) * u1r1 * u2r1
M[1, 2] = X * ju2r1
M[1, 3] = X * nu2r1
D201 = nu * n3 / u2r2 * (j1u2r2 * nu2r2 - ju2r2 * yn(nu+1, u2r2))
D202 = -((n2**2 + n3**2) * nu * n1u2r2 * nu2r2 / u2r2 +
n3**2 * nu * nu2r2**2 / (nu - 1))
D203 = -(n2**2 * nu * ju2r2 * n1u2r2 / u2r2 +
n3**2 * nu * nu2r2 * j1u2r2 / u2r2 +
n3**2 * nu * (j1u2r2 * nu2r2 +
n1u2r2 * ju2r2) / (2 * (nu - 1)))
D212 = -(n2**2 * nu * nu2r2 * j1u2r2 / u2r2 +
n3**2 * nu * ju2r2 * n1u2r2 / u2r2 +
n3**2 * nu * (n1u2r2 * ju2r2 +
j1u2r2 * nu2r2) / (2 * (nu - 1)))
D213 = -((n2**2 + n3**2) * nu * j1u2r2 * ju2r2 / u2r2 +
n3**2 * nu * ju2r2**2 / (nu - 1))
D223 = nu * n2**2 * n3 / u2r2 * (j1u2r2 * nu2r2 - ju2r2 * n1u2r2)
D30 = M[1, 1] * D201 - M[1, 2] * D202 + M[1, 3] * D203
D31 = M[1, 0] * D201 - M[1, 2] * D212 + M[1, 3] * D213
D32 = M[1, 0] * D202 - M[1, 1] * D212 + M[1, 3] * D223
D33 = M[1, 0] * D203 - M[1, 1] * D213 + M[1, 2] * D223
return M[0, 0] * D30 - M[0, 1] * D31 + M[0, 2] * D32 - M[0, 3] * D33
