Index
Special functions

Special math functions are listed in the table.
Left column is ArtSGraph function notation. Right column is the name of the function
in common mathematical notation. x is a real number argument,  a is a real number,
n  is an
integer

Function

Value

erf(x)

erf(x), error function ,

J(n,x)

Jn(x), Bessel function, cylindrical functions of the 1-st kind n-th order 

Y(n,x)

Yn(x), Bessel function, cylindrical functions of the 2-nd kind n-th order 

T(n,x)

Tn(x), Chebyshev polynomial of the n-th order

P(n,x)

Pn(x), Legendre polynomial of the n-th order