UnitTriangle[x] represents the unit triangle function on the interval |x| <= 1 .UnitTriangle[x_1, x_2, ...] represents the multidimensional unit triangle function on the ...

The basic idea behind the "StiffnessSwitching" method is to provide an automatic means of switching between a nonstiff and a stiff solver. The "StiffnessTest" and ...

Mathematica has a highly flexible system for handling dates and times in almost any format, automatically converting between formats, and when necessary parsing strings ...

Mathematica's unified symbolic architecture makes it straightforward to insert dynamic behavior anywhere in any graphic. Single functions—readily generated ...

Plots of data based on measurements often have vertical lines or intervals centered at the points to indicate the associated error estimates. Mathematica lets you add such ...

InverseBetaRegularized[s, a, b] gives the inverse of the regularized incomplete beta function.

InverseGammaRegularized[a, s] gives the inverse of the regularized incomplete gamma function.

a ** b ** c is a general associative, but non-commutative, form of multiplication.

N[expr] gives the numerical value of expr. N[expr, n] attempts to give a result with n-digit precision.

BesselI[n, z] gives the modified Bessel function of the first kind I_n (z).