InterpolatingPolynomial (Built-in Mathematica Symbol)

InterpolatingPolynomial[{f_1, f_2, ...}, x] constructs an interpolating polynomial in x which reproduces the function values f_i at successive integer values 1, 2, ... of x. ...

LinearSolve (Built-in Mathematica Symbol)

LinearSolve[m, b] finds an x which solves the matrix equation m.x == b. LinearSolve[m] generates a LinearSolveFunction[...] which can be applied repeatedly to different b.

Norm (Built-in Mathematica Symbol)

Norm[expr] gives the norm of a number, vector or matrix. Norm[expr, p] gives the p-norm.

Log (Built-in Mathematica Symbol)

Log[z] gives the natural logarithm of z (logarithm to base e). Log[b, z] gives the logarithm to base b.

ComplexityFunction (Built-in Mathematica Symbol)

ComplexityFunction is an option for Simplify and other functions which gives a function to rank the complexity of different forms of an expression.

ExpToTrig (Built-in Mathematica Symbol)

ExpToTrig[expr] converts exponentials in expr to trigonometric functions.

XMLParser (XML Package Symbol)

XMLParser[root, " file"] represents a parser object created by InitializeXMLParser for XML documents with a root element root and corresponding to the DTD " file".

Hyperbolic Functions (Mathematica Guide)

Mathematica supports hyperbolic functions everywhere in the complex plane—with careful attention to branch cuts—and provides an extensive web of exact and algebraic ...

Introduction to Initial and Boundary ... (Mathematica Tutorial)

DSolve can be used for finding the general solution to a differential equation or system of differential equations. The general solution gives information about the structure ...

Sec (Built-in Mathematica Symbol)

Sec[z] gives the secant of z.