UpperLeftArrow (Built-in Mathematica Symbol)

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

UpperRightArrow (Built-in Mathematica Symbol)

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

UpperTriangularize (Built-in Mathematica Symbol)

UpperTriangularize[m] gives a matrix in which all but the upper triangular elements of m are replaced with zeros. UpperTriangularize[m, k] replaces with zeros only the ...

UpTeeArrow (Built-in Mathematica Symbol)

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

VectorQ (Built-in Mathematica Symbol)

VectorQ[expr] gives True if expr is a list or a one-dimensional SparseArray object, none of whose elements are themselves lists, and gives False otherwise. VectorQ[expr, ...

Vee (Built-in Mathematica Symbol)

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

VerifyTestAssumptions (Built-in Mathematica Symbol)

VerifyTestAssumptions is an option to LocationTest and similar functions that controls which assumptions to verify through diagnostic tests.

VertexReplace (Built-in Mathematica Symbol)

VertexReplace[g, {v_1 -> w_1, v_2 -> w_2, ...}] replaces each vertex v_i in the graph g by w_i.

VerticalBar (Built-in Mathematica Symbol)

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

VerticalSeparator (Built-in Mathematica Symbol)

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