/dports/math/py-sympy/sympy-1.9/sympy/functions/special/tests/ |
H A D | test_delta_functions.py | 28 assert DiracDelta(0).func is DiracDelta 29 assert DiracDelta(x).func is DiracDelta 35 assert adjoint(DiracDelta(x)) == DiracDelta(x) 37 assert conjugate(DiracDelta(x)) == DiracDelta(x) 39 assert transpose(DiracDelta(x)) == DiracDelta(x) 42 assert DiracDelta(x).diff(x) == DiracDelta(x, 1) 56 DiracDelta(x - 3)/2 + DiracDelta(x - 2) + DiracDelta(x - 1)/2) 60 assert DiracDelta(-x, 2) == DiracDelta(x, 2) 62 assert DiracDelta(-oo*x) == DiracDelta(oo*x) 63 assert DiracDelta(x - y) != DiracDelta(y - x) [all …]
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H A D | test_singularity_functions.py | 2 nan, pi, symbols, DiracDelta, Symbol, diff, 102 expr_out = (x - 4)**5*Heaviside(x - 4) + DiracDelta(x + 3) - DiracDelta(x, 1) 104 assert expr_in.rewrite(DiracDelta) == expr_out 108 expr_out = (x - a)**n*Heaviside(x - a) + DiracDelta(x - a) + DiracDelta(a - x, 1) 110 assert expr_in.rewrite(DiracDelta) == expr_out
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/dports/math/py-Diofant/Diofant-0.13.0/diofant/tests/functions/ |
H A D | test_delta_functions.py | 26 assert isinstance(DiracDelta(0), DiracDelta) 27 assert isinstance(DiracDelta(x), DiracDelta) 29 assert adjoint(DiracDelta(x)) == DiracDelta(x) 30 assert adjoint(DiracDelta(x - y)) == DiracDelta(x - y) 31 assert conjugate(DiracDelta(x)) == DiracDelta(x) 32 assert conjugate(DiracDelta(x - y)) == DiracDelta(x - y) 33 assert transpose(DiracDelta(x)) == DiracDelta(x) 36 assert DiracDelta(x).diff(x) == DiracDelta(x, 1) 37 assert DiracDelta(x, 1).diff(x) == DiracDelta(x, 2) 48 assert DiracDelta(y).simplify(x) == DiracDelta(y) [all …]
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/dports/math/py-sympy/sympy-1.9/sympy/integrals/tests/ |
H A D | test_deltafunctions.py | 11 assert change_mul(x*y*DiracDelta(x), x) == (DiracDelta(x), x*y) 12 assert change_mul(x*y*DiracDelta(x)*DiracDelta(y), x) == \ 13 (DiracDelta(x), x*y*DiracDelta(y)) 15 (DiracDelta(x), DiracDelta(x)) 17 (DiracDelta(x), y*DiracDelta(x)) 37 assert deltaintegrate(DiracDelta(x, 1), x) == DiracDelta(x, 0) 38 assert deltaintegrate(y*DiracDelta(x, 1), x) == y*DiracDelta(x, 0) 50 p = cos(x)*(DiracDelta(x) + DiracDelta(x**2 - 1))*sin(x)*(x - pi) 56 p = x_2*DiracDelta(x - x_2)*DiracDelta(x_2 - x_1) 59 p = x*y**2*z*DiracDelta(y - x)*DiracDelta(y - z)*DiracDelta(x - z) [all …]
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H A D | test_transforms.py | 512 assert LT(DiracDelta(t)+DiracDelta(t-42), t, s) == \ 515 assert LT(exp(-t)*(DiracDelta(t)+DiracDelta(t-42)), t, s) == \ 519 assert LT(DiracDelta(t**2), t, s) == LaplaceTransform(DiracDelta(t**2), t, s) 523 assert LT((DiracDelta(t) + 1)*(DiracDelta(t - 1) + 1), t, s) == \ 524 (LaplaceTransform(DiracDelta(t)*DiracDelta(t - 1), t, s) + \ 579 DiracDelta 587 assert ILT(1, s, t) == DiracDelta(t) 637 from sympy import DiracDelta 642 2*DiracDelta(t + 3) - 5*DiracDelta(t - 7) 658 (DiracDelta(t + z), Eq(im(z), 0)) [all …]
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/dports/math/py-Diofant/Diofant-0.13.0/diofant/tests/integrals/ |
H A D | test_deltafunctions.py | 15 assert change_mul(x*y*DiracDelta(x), x) == (DiracDelta(x), x*y) 16 assert change_mul(x*y*DiracDelta(x)*DiracDelta(y), x) == \ 17 (DiracDelta(x), x*y*DiracDelta(y)) 19 (DiracDelta(x), DiracDelta(x)) 21 (DiracDelta(x), y*DiracDelta(x)) 29 assert deltaintegrate(DiracDelta(x, n + 1), x) == DiracDelta(x, n) 38 assert deltaintegrate(DiracDelta(x)**2, x) == DiracDelta(0)*Heaviside(x) 51 p = cos(x)*(DiracDelta(x) + DiracDelta(x**2 - 1))*sin(x)*(x - pi) 57 p = x_2*DiracDelta(x - x_2)*DiracDelta(x_2 - x_1) 60 p = x*y**2*z*DiracDelta(y - x)*DiracDelta(y - z)*DiracDelta(x - z) [all …]
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/dports/math/py-sympy/sympy-1.9/sympy/physics/quantum/tests/ |
H A D | test_cartesian.py | 3 from sympy import S, Interval, symbols, I, DiracDelta, exp, sqrt, pi 26 assert represent(XKet(x)) == DiracDelta(x - x_1) 27 assert represent(XBra(x)) == DiracDelta(-x + x_1) 29 assert represent(XOp()*XKet()) == x*DiracDelta(x - x_2) 31 x*DiracDelta(x - x_3)*DiracDelta(x_1 - y) 32 assert represent(XBra("y")*XKet()) == DiracDelta(x - y) 34 XKet()*XBra()) == DiracDelta(x - x_2) * DiracDelta(x_1 - x) 54 assert represent(PxKet(px)) == DiracDelta(px - px_1) 63 -hbar*I*DiracDelta(x - x_2)*DifferentialOperator(x) 65 -hbar*I*DiracDelta(x - y)*DifferentialOperator(x) [all …]
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/dports/math/py-sympy/sympy-1.9/sympy/integrals/ |
H A D | deltafunctions.py | 2 from sympy.functions import DiracDelta, Heaviside 56 if arg.is_Pow and isinstance(arg.base, DiracDelta): 59 if dirac is None and (isinstance(arg, DiracDelta) and arg.is_simple(x)): 66 if isinstance(arg, DiracDelta): 68 elif arg.is_Pow and isinstance(arg.base, DiracDelta): 136 if not f.has(DiracDelta): 143 if f.func == DiracDelta: 152 return (DiracDelta(f.args[0], f.args[1] - 1) / 198 return r*DiracDelta(x,m-1)
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H A D | singularityfunctions.py | 1 from sympy.functions import SingularityFunction, DiracDelta 63 expr = f.rewrite(DiracDelta)
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/dports/math/py-Diofant/Diofant-0.13.0/diofant/integrals/ |
H A D | deltafunctions.py | 2 from ..functions import DiracDelta, Heaviside 52 if arg.is_Pow and isinstance(arg.base, DiracDelta): 55 if dirac is None and (isinstance(arg, DiracDelta) and arg.is_simple(x) 63 if isinstance(arg, DiracDelta): 65 elif arg.is_Pow and isinstance(arg.base, DiracDelta): 128 if not f.has(DiracDelta): 135 if f.func == DiracDelta: 144 return (DiracDelta(f.args[0], f.args[1] - 1) /
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/dports/cad/py-lcapy/lcapy-23c940f/lcapy/tests/ |
H A D | test_core.py | 67 …l(a.inverse_laplace(causal=True), 20 * exp(2 * t) * H(t) + 7 * DiracDelta(t) + DiracDelta(t, 1), "… 91 …l(a.inverse_laplace(causal=True), 20 * exp(2 * t) * H(t) + 7 * DiracDelta(t) + DiracDelta(t, 1), "… 263 self.assertEqual((t * 0 + 1).fourier(), DiracDelta(f)) 265 self.assertEqual(t.fourier(), 2 * j * pi * DiracDelta(f, 1)) 267 DiracDelta(f - 1) + DiracDelta(f + 1)) 269 -j * DiracDelta(f - 1) + j * DiracDelta(f + 1)) 270 self.assertEqual(exp(j * 2 * pi * t).fourier(), DiracDelta(f - 1)) 273 self.assertEqual(exp(-j * 2 * pi * t).fourier(), DiracDelta(f + 1)) 296 self.assertEqual(DiracDelta(t).is_dc, False, "DiracDelta(t).is_dc") 305 DiracDelta(t).laplace()).is_causal, True) [all …]
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H A D | test_laplace.py | 14 self.assertEqual(DiracDelta(t).laplace(), 1, "DiracDelta(t)") 22 self.assertEqual((s * 0 + 1).inverse_laplace(causal=True), DiracDelta(t), 25 * DiracDelta(t), "0")
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/dports/math/py-sympy/sympy-1.9/sympy/physics/quantum/ |
H A D | cartesian.py | 9 from sympy import DiracDelta, exp, I, Interval, pi, S, sqrt 64 delta = DiracDelta(coord1 - coord2) 122 delta = DiracDelta(coord1 - coord2) 164 return DiracDelta(self.position - bra.position) 226 return DiracDelta(x_diff)*DiracDelta(y_diff)*DiracDelta(z_diff) 279 return DiracDelta(self.momentum - bra.momentum)
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/dports/science/py-GPy/GPy-1.10.0/GPy/kern/src/ |
H A D | sympy_helpers.h | 2 double DiracDelta(double x); 3 double DiracDelta(double x, int foo);
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/dports/math/py-sympy/sympy-1.9/sympy/functions/special/ |
H A D | delta_functions.py | 17 class DiracDelta(Function): class 369 return Piecewise((DiracDelta(0), Eq(args[0], 0)), (0, True)) 379 if self == DiracDelta(0): 381 if self == DiracDelta(0, 1): 487 return DiracDelta(self.args[0])
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/dports/cad/py-lcapy/lcapy-23c940f/lcapy/ |
H A D | fourier.py | 56 return expr * sym.DiracDelta(f) 74 return const * sym.I * 2 * sym.pi * sym.DiracDelta(f, 1) 76 return const * (sym.I * 2 * sym.pi)**2 * sym.DiracDelta(f, 2) 98 return const * sym.DiracDelta(f - foo / (sym.I * 2 * sym.pi))
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/dports/math/py-sympy/sympy-1.9/sympy/stats/tests/ |
H A D | test_mix.py | 3 Indexed, Integer, Integral, DiracDelta, Dummy, Sum, oo) 61 expr1 = Integral(Sum(exp(-1)*Integral(exp(-k)*DiracDelta(k - 2), (k, 0, oo) 63 expr2 = Integral(Sum(exp(-1)*Integral(exp(-k)*DiracDelta(k - 2), (k, 0, oo)
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/dports/graphics/appleseed/appleseed-2.1.0-beta/src/appleseed/renderer/modeling/bsdf/ |
H A D | bsdfsample.h | 126 (mode == ScatteringMode::Specular && probability == BSDF::DiracDelta) || in set_to_scattering() 142 (m_mode == ScatteringMode::Specular && m_probability == BSDF::DiracDelta) || in get_probability()
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H A D | bsdfsample.cpp | 66 if (m_probability != BSDF::DiracDelta) in compute_reflected_differentials() 92 if (m_probability != BSDF::DiracDelta) in compute_transmitted_differentials()
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H A D | specularhelper.h | 64 sample.set_to_scattering(ScatteringMode::Specular, BSDF::DiracDelta); in sample()
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H A D | bsdf.cpp | 61 const float BSDF::DiracDelta = -1.0f; member in renderer::BSDF
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/dports/math/py-Diofant/Diofant-0.13.0/diofant/functions/special/ |
H A D | delta_functions.py | 14 class DiracDelta(Function): class 198 return DiracDelta(self.args[0])
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/dports/misc/openvdb/openvdb-9.0.0/openvdb/openvdb/tools/ |
H A D | LevelSetMeasure.h | 83 class DiracDelta 87 DiracDelta(RealT eps) : mC(0.5/eps), mD(2*math::pi<RealT>()*mC), mE(eps) {} in DiracDelta() function 351 const DiracDelta<Real> DD(1.5);// dirac delta function is 3 voxel units wide in operator() 381 const DiracDelta<Real> DD(1.5);// dirac delta function is 3 voxel units wide in operator()
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/dports/math/py-Diofant/Diofant-0.13.0/diofant/stats/ |
H A D | crv.py | 16 from ..functions import DiracDelta, Piecewise 101 integrand *= DiracDelta(cond.lhs - cond.rhs) 272 return Lambda(z, self.integrate(DiracDelta(expr - z), **kwargs))
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/dports/math/py-Diofant/Diofant-0.13.0/docs/modules/functions/ |
H A D | special.rst | 6 DiracDelta section in Special 8 .. autoclass:: diofant.functions.special.delta_functions.DiracDelta
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