compute the cosine integral function define by:
compute the sine integral function define by:
compute the cosine integral function define by:
Compute the dirac delta function.
Compute the Jacobi elliptic functions sn(u|m), cn(u|m) and dn(u|m) for complex argument u and parameter 0 <= m <= 1.
Compute the Jacobi elliptic functions sn(u|m), cn(u|m) and dn(u|m) for complex argument u and parameter 0 <= m <= 1.
complete elliptic integral of first K(m)
Compute the inverse complementary error function.
compute the scaled complementary error function define by :
compute the exponential integral,
compute the exponential integral,
compute the exponential integral,
Compute the heaviside step function.
Compute the value of the Laguerre polynomial of order N for each element of X
Compute the Lambert W function of z.
compute the psi function,
compute the sine integral function.
no description
Require ans = 0
compute the Riemann's Zeta function.