DiracComb (Built-in Mathematica Symbol)

DiracComb[x] represents the Dirac comb function giving a delta function at every integer point. DiracComb[x_1, x_2, ...] represents the multidimensional Dirac comb function.

FullSimplify (Built-in Mathematica Symbol)

FullSimplify[expr] tries a wide range of transformations on expr involving elementary and special functions, and returns the simplest form it finds. FullSimplify[expr, assum] ...

Power (Built-in Mathematica Symbol)

x^y gives x to the power y.

RootLocusPlot (Built-in Mathematica Symbol)

RootLocusPlot[g, {k, k_min, k_max}] generates the root locus plot of a rational function g of k ranging from k_min to k_max.RootLocusPlot[sys, ...] plots the root loci of a ...

SetPrecision (Built-in Mathematica Symbol)

SetPrecision[expr, p] yields a version of expr in which all numbers have been set to have precision p.

GenericCylindricalDecomposition (Built-in Mathematica Symbol)

GenericCylindricalDecomposition[ineqs, {x_1, x_2, ...}] finds the full-dimensional part of the decomposition of the region represented by the inequalities ineqs into ...

Nonlinear PDEs (Mathematica Tutorial)

The general first-order nonlinear PDE for an unknown function u(x,y) is given by Here F is a function of uu(x,y), p ( ∂u(x,y) ) / ( ∂x ) , and q ( ∂u(x,y) ) / ( ∂y ) . The ...

Change the Format of Numbers (Mathematica How To)

While there is typically one representation for exact numbers, approximate numbers can be presented differently according to the conventions of different professions or ...

ExpandNumerator (Built-in Mathematica Symbol)

ExpandNumerator[expr] expands out products and powers that appear in the numerator of expr.

TextRecognize (Built-in Mathematica Symbol)

TextRecognize[image] recognizes text in image and returns it as a string.