RidgeFilter (Built-in Mathematica Symbol)

RidgeFilter[image] computes a measure for the presence of a ridge for each pixel in image.RidgeFilter[image, \[Sigma]] uses the specified ridge scale \[Sigma].

RiemannR (Built-in Mathematica Symbol)

RiemannR[x] gives the Riemann prime counting function R(x).

RiemannSiegelTheta (Built-in Mathematica Symbol)

RiemannSiegelTheta[t] gives the Riemann\[Dash]Siegel function \[CurlyTheta](t).

RiemannSiegelZ (Built-in Mathematica Symbol)

RiemannSiegelZ[t] gives the Riemann\[Dash]Siegel function Z(t).

Riffle (Built-in Mathematica Symbol)

Riffle[{e_1, e_2, ...}, x] gives {e_1, x, e_2, x, ...}. Riffle[{e_1, e_2, ...}, {x_1, x_2, ...}] gives {e_1, x_1, e_2, x_2, ...}. Riffle[list, x, n] yields a list in which ...

RightArrowBar (Built-in Mathematica Symbol)

RightArrowBar[x, y, ...] displays as x \[RightArrowBar] y \[RightArrowBar] ....

RightArrowLeftArrow (Built-in Mathematica Symbol)

RightArrowLeftArrow[x, y, ...] displays as x \[RightArrowLeftArrow] y \[RightArrowLeftArrow] ....

RightArrow (Built-in Mathematica Symbol)

RightArrow[x, y, ...] displays as x \[RightArrow] y \[RightArrow] ....

RightCosetRepresentative (Built-in Mathematica Symbol)

RightCosetRepresentative[group, g] returns the smallest element in the right coset of products of the elements of group by g.

RightDownTeeVector (Built-in Mathematica Symbol)

RightDownTeeVector[x, y, ...] displays as x\[RightDownTeeVector]y\[RightDownTeeVector]....