BesselY (Built-in Mathematica Symbol)

BesselY[n, z] gives the Bessel function of the second kind Y_n (z).

Unitize (Built-in Mathematica Symbol)

Unitize[x] gives 0 when x is zero, and 1 when x has any other numerical value.

Installable MathLink Programs (Mathematica Guide)

The Mathematica system provides a convenient way to call functions in external C and other programs. With a .tm template specifying Mathematica functions corresponding to ...

Numerical Operations on Functions (Mathematica Overview)

Arithmetic Numerical Mathematics in Mathematica The Uncertainties of Numerical Mathematics

PolyLog (Built-in Mathematica Symbol)

PolyLog[n, z] gives the polylogarithm function Li_n (z).PolyLog[n, p, z] gives the Nielsen generalized polylogarithm function S n, p (z).

Plot (Built-in Mathematica Symbol)

Plot[f, {x, x_min, x_max}] generates a plot of f as a function of x from x_min to x_max. Plot[{f_1, f_2, ...}, {x, x_min, x_max}] plots several functions f_i.

MathLink Mathematica Functions (Mathematica Guide)

MathLink is a protocol for exchanging symbolic expressions. The Mathematica-level MathLink functions can be used with any MathLink-enabled external program, including ...

Gamma (Built-in Mathematica Symbol)

Gamma[z] is the Euler gamma function \[CapitalGamma](z). Gamma[a, z] is the incomplete gamma function \[CapitalGamma](a, z). Gamma[a, z_0, z_1] is the generalized incomplete ...

Pattern Matching Functions (Mathematica Guide)

Pattern matching makes possible some of the most succinct and elegant programs in the Mathematica language—immediately compressing large numbers of conditional cases into ...

Everything Is an Expression (Mathematica Tutorial)

Mathematica handles many different kinds of things: mathematical formulas, lists, and graphics, to name a few. Although they often look very different, Mathematica represents ...