Special functions for real arguments and value.
Special functions for real arguments and value. * Bessel J, Y, jinc * Modified Bessel I, K * Spherical Bessel j, y * Modified spherical Bessel i1, i2, k * Gamma, log, digamma, trigamma, polygamma, regularized, lower/upper incomplete * Beta, log, regularized, incomplete * Erf, inverse * Airy A, B with derivatives * Zeta (Riemann, Hurwitz), Eta (Dirichlet), Xi (Landau), Beta (Dirichlet) * Integrals: Si, Ci, li/Li, Ei, En, Ein * Hypergeometric 0F0, 0F1, 1F0, 1F1, 2F1, 2F0, 0F2, pFq, Kummers M, Tricomis U, Whittaker M and W * Lambert W (0 and -1) * Minkowski * Harmonic H
(airy-Ai' x)
First derivative of the Airy Ai function
First derivative of the Airy Ai function
(airy-Bi' x)
First derivative of the Airy Bi function
First derivative of the Airy Bi function
(bessel-I order x)
Modified Bessel function of the first kind of order v, I_v(x)
Modified Bessel function of the first kind of order v, I_v(x)
(bessel-I0 x)
Modified Bessel function of the first kind of order 0, I_0(x)
Modified Bessel function of the first kind of order 0, I_0(x)
(bessel-I1 x)
Modified Bessel function of the first kind of order 1, I_0(x)
Modified Bessel function of the first kind of order 1, I_0(x)
(bessel-J order x)
Bessel function of the first kind of order v, J_v(x)
Bessel function of the first kind of order v, J_v(x)
(bessel-J0 x)
Bessel function of the first kind of order 0, J_0(x)
Bessel function of the first kind of order 0, J_0(x)
(bessel-J1 x)
Bessel function of the first kind of order 1, J_1(x)
Bessel function of the first kind of order 1, J_1(x)
(bessel-K order x)
Modified Bessel function of the second kind and real order v, K_v(x)
Modified Bessel function of the second kind and real order v, K_v(x)
(bessel-K-half-odd odd-numerator x)
Bessel K_a function for a = order/2
Function accepts only odd integers for order
Bessel K_a function for a = order/2 Function accepts only odd integers for order
(bessel-K0 x)
Modified Bessel function of the second kind of order 0, K_0(x)
Modified Bessel function of the second kind of order 0, K_0(x)
(bessel-K1 x)
Modified Bessel function of the second kind of order 1, K_1(x)
Modified Bessel function of the second kind of order 1, K_1(x)
(bessel-Y order x)
Bessel function of the second kind of order v, Y_v(x)
Bessel function of the second kind of order v, Y_v(x)
(bessel-Y0 x)
Bessel function of the second kind of order 0, Y_0(x)
Bessel function of the second kind of order 0, Y_0(x)
(bessel-Y1 x)
Bessel function of the second kind of order 1, Y_1(x)
Bessel function of the second kind of order 1, Y_1(x)
(Cin x)
Cosine integral, alternative definition
Cosine integral, alternative definition
(digamma x)
First derivative of log of Gamma function.
First derivative of log of Gamma function.
(dirichlet-beta x)
Dirichlet Beta function
Dirichlet Beta function
(E1 x)
Exponential integral E1 for positive real numbers
Exponential integral E1 for positive real numbers
(Ein x)
Exponential integral, alternative definition
Exponential integral, alternative definition
(En n x)
Generalized exponential integral En
Generalized exponential integral En
(erf x)
(erf x1 x2)
Error function.
For two arguments returns a difference between (erf x2)
and (erf x1)
.
Error function. For two arguments returns a difference between `(erf x2)` and `(erf x1)`.
(gamma x)
Gamma function $\Gamma(x)$. Extension of the factorial.
Gamma function $\Gamma(x)$. Extension of the factorial.
(harmonic-number n)
(harmonic-number n m)
Harmonic number H_n or generalized harmonic number H_n,m
Harmonic number H_n or generalized harmonic number H_n,m
(hypergeometric-0F0 x)
Hypergeometric ₀F₀ function, exp(x)
Hypergeometric ₀F₀ function, exp(x)
(hypergeometric-0F1 a x)
Confluent hypergeometric ₀F₁ limit function.
Confluent hypergeometric ₀F₁ limit function.
(hypergeometric-0F2 a b x)
Generalized hypergeometric ₀F₂ function.
Generalized hypergeometric ₀F₂ function.
(hypergeometric-1F0 a x)
Hypergeometric ₁F₀ function.
Hypergeometric ₁F₀ function.
(hypergeometric-1F1 a b x)
Confluent hypergeometric ₁F₁ function of the first kind, Kummer's M.
Confluent hypergeometric ₁F₁ function of the first kind, Kummer's M.
(hypergeometric-2F0 a b x)
Generalized hypergeometric ₂F₀ function.
Generalized hypergeometric ₂F₀ function.
(hypergeometric-2F1 a b c x)
Gauss's hypergeometric ₂F₁ function.
Gauss's hypergeometric ₂F₁ function.
(hypergeometric-pFq ps qs z)
(hypergeometric-pFq ps qs z max-iters)
hypergeometric-pFq using MacLaurin series.
max-iters
is set to 1000000 by default.
hypergeometric-pFq using MacLaurin series. `max-iters` is set to 1000000 by default.
(hypergeometric-pFq-ratio ps qs z)
(hypergeometric-pFq-ratio ps qs z max-iters)
Hypergeometric-pFq using MacLaurin series on ratios. Can be very slow.
max-iters
is set to 10000 by default.
Hypergeometric-pFq using MacLaurin series on ratios. Can be very slow. `max-iters` is set to 10000 by default.
(incomplete-beta x a b)
Incomplete Beta B(x,a,b)
Incomplete Beta B(x,a,b)
(inv-gamma-1pm1 x)
$\frac{1}{\Gamma(1+x)}-1$ for $-0.5≤x≤1.5$.
$\frac{1}{\Gamma(1+x)}-1$ for $-0.5≤x≤1.5$.
(kummers-M a b x)
Kummer's (confluent hypergeometric, 1F1) function for real arguments.
Kummer's (confluent hypergeometric, 1F1) function for real arguments.
(lambert-W x)
Lambert W_0 function. W(xe^x)=x for x>=-1.0.
Lambert W_0 function. W(xe^x)=x for x>=-1.0.
(lambert-W-1 x)
Lambert W_1 function. W_1(xe^x)=x for x<=-1.0.
Lambert W_1 function. W_1(xe^x)=x for x<=-1.0.
(log-beta p q)
Logarithm of Beta function.
Logarithm of Beta function.
(log-gamma x)
Log of Gamma function $\log\Gamma(x)$.
Log of Gamma function $\log\Gamma(x)$.
(log-gamma-1p x)
$\ln\Gamma(1+x)$ for $-0.5≤x≤1.5$.
$\ln\Gamma(1+x)$ for $-0.5≤x≤1.5$.
(lower-incomplete-gamma s x)
Lower incomplete gamma function
Lower incomplete gamma function
(minkowski x)
Minkowski's question mark function ?(x)
Minkowski's question mark function ?(x)
(polygamma m x)
Polygamma function of order m
and real argument.
Polygamma function of order `m` and real argument.
(regularized-beta x a b)
Regularized Beta I_x(a,b)
Regularized Beta I_x(a,b)
(regularized-gamma-p a x)
Regularized gamma P(a,x)
Regularized gamma P(a,x)
(regularized-gamma-q a x)
Regularized gamma Q(a,x)
Regularized gamma Q(a,x)
(si x)
Sine integral, Si shifted by -pi/2
Sine integral, Si shifted by -pi/2
(spherical-bessel-1-i order x)
First modified spherical Bessel function of the first kind.
First modified spherical Bessel function of the first kind.
(spherical-bessel-1-i0 x)
First modified spherical Bessel function of the first kind and order 0.
First modified spherical Bessel function of the first kind and order 0.
(spherical-bessel-1-i1 x)
First modified spherical Bessel function of the first kind and order 1.
First modified spherical Bessel function of the first kind and order 1.
(spherical-bessel-1-i2 x)
First modified spherical Bessel function of the first kind and order 2.
First modified spherical Bessel function of the first kind and order 2.
(spherical-bessel-2-i order x)
Second modified spherical Bessel function of the first kind.
Second modified spherical Bessel function of the first kind.
(spherical-bessel-2-i0 x)
Second modified spherical Bessel function of the first kind and order 0.
Second modified spherical Bessel function of the first kind and order 0.
(spherical-bessel-2-i1 x)
Second modified spherical Bessel function of the first kind and order 1.
Second modified spherical Bessel function of the first kind and order 1.
(spherical-bessel-2-i2 x)
Second modified spherical Bessel function of the first kind and order 2.
Second modified spherical Bessel function of the first kind and order 2.
(spherical-bessel-j order x)
Spherical Bessel function of the first kind.
Spherical Bessel function of the first kind.
(spherical-bessel-j0 x)
Spherical Bessel function of the first kind and order 0.
Spherical Bessel function of the first kind and order 0.
(spherical-bessel-j1 x)
Spherical Bessel function of the first kind and order 1.
Spherical Bessel function of the first kind and order 1.
(spherical-bessel-j2 x)
Spherical Bessel function of the first kind and order 2.
Spherical Bessel function of the first kind and order 2.
(spherical-bessel-k order x)
Modified spherical Bessel function of the second kind.
Modified spherical Bessel function of the second kind.
(spherical-bessel-k0 x)
Modified spherical Bessel function of the second kind and order 0.
Modified spherical Bessel function of the second kind and order 0.
(spherical-bessel-k1 x)
Modified spherical Bessel function of the second kind and order 1.
Modified spherical Bessel function of the second kind and order 1.
(spherical-bessel-k2 x)
Modified spherical Bessel function of the second kind and order 2.
Modified spherical Bessel function of the second kind and order 2.
(spherical-bessel-y order x)
Spherical Bessel function of the second kind.
Spherical Bessel function of the second kind.
(spherical-bessel-y0 x)
Spherical Bessel function of the second kind and order 0.
Spherical Bessel function of the second kind and order 0.
(spherical-bessel-y1 x)
Spherical Bessel function of the second kind and order 1.
Spherical Bessel function of the second kind and order 1.
(spherical-bessel-y2 x)
Spherical Bessel function of the second kind and order 2.
Spherical Bessel function of the second kind and order 2.
(tricomis-U a b x)
Confluent hypergeometric function U of the second kind.
Confluent hypergeometric function U of the second kind.
(trigamma x)
Second derivative of log of Gamma function.
Second derivative of log of Gamma function.
(upper-incomplete-gamma s x)
Upper incomplete gamma function
Upper incomplete gamma function
(zeta s)
(zeta s z)
Riemann and Hurwitz zeta functions for real arguments
Riemann and Hurwitz zeta functions for real arguments
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