BesselK
(Built-in Mathematica Symbol) BesselK[n, z] gives the modified Bessel function of the second kind K_n (z).
Do Basic Calculations Do Constrained Nonlinear Optimization Control the Precision and Accuracy of Numerical Results
Finding the date and time. This gives the current date and time. The Mathematica DateList function returns whatever your computer system gives as the current date and time. ...
Here is an example of an exact ODE. This verifies the solution. Here is a contour plot of the solution.
Plot, ListPlot, and similar functions have new Filling and FillingStyle options.
DynamicSetting[e] represents an object which displays as e, but is interpreted as the dynamically updated current value of Setting[e] if supplied as Mathematica ...
KleinInvariantJ[\[Tau]] gives the Klein invariant modular elliptic function J(\[Tau]).
NevilleThetaD[z, m] gives the Neville theta function \[CurlyTheta]_d (z \[VerticalSeparator] m).
NevilleThetaC[z, m] gives the Neville theta function \[CurlyTheta]_c (z \[VerticalSeparator] m).
HalfNormalDistribution[\[Theta]] represents a half-normal distribution with scale inversely proportional to parameter \[Theta].