Root (Built-in Mathematica Symbol)

Root[f, k] represents the exact k\[Null]^th root of the polynomial equation f[x] == 0. Root[{f, x_0}] represents the exact root of the general equation f[x] == 0 near x = ...

$RootDirectory (Built-in Mathematica Symbol)

$RootDirectory gives the root directory of your file system.

Numerical Root Finding (Mathematica Tutorial)

NSolve gives you a general way to find numerical approximations to the solutions of polynomial equations. Finding numerical solutions to more general equations, however, can ...

$MaxRootDegree (Built-in Mathematica Symbol)

$MaxRootDegree specifies the maximum degree of polynomial to allow in Root objects.

RootOfUnityQ (Built-in Mathematica Symbol)

RootOfUnityQ[a] yields True if a is a root of unity, and yields False otherwise.

RootMeanSquare (Built-in Mathematica Symbol)

RootMeanSquare[list] gives the root mean square of values in list.

FindRoot (Built-in Mathematica Symbol)

FindRoot[f, {x, x_0}] searches for a numerical root of f, starting from the point x = x_0.FindRoot[lhs == rhs, {x, x_0}] searches for a numerical solution to the equation lhs ...

Sqrt (Built-in Mathematica Symbol)

Sqrt[z] or Sqrt[z] gives the square root of z.

RootIntervals (Built-in Mathematica Symbol)

RootIntervals[{poly_1, poly_2, ...}] gives a list of isolating intervals for the real roots of any of the poly_i, together with a list of which polynomials actually have each ...

RootReduce (Built-in Mathematica Symbol)

RootReduce[expr] attempts to reduce expr to a single Root object.