TotalVariationFilter[image] iteratively reduces noise while preserving edges in image.TotalVariationFilter[image, param] assumes a regularization parameter value param.
ToUpperCase[string] yields a string in which all letters have been converted to uppercase.
TraceDialog[expr] initiates a dialog for every expression used in the evaluation of expr. TraceDialog[expr, form] initiates a dialog only for expressions which match form. ...
TraceScan[f, expr] applies f to all expressions used in the evaluation of expr. TraceScan[f, expr, form] includes only those expressions which match form. TraceScan[f, expr, ...
TransformationMatrix[tfun] gives the homogeneous matrix associated with a TransformationFunction object.
TreeGraphQ[g] yields True if the graph g is a tree and False otherwise.
Trigger
(Built-in Mathematica Symbol) Trigger[Dynamic[u]] represents a trigger that can be pressed to make the dynamically updated value of u be continually increased with time from 0 to 1. Trigger[Dynamic[u], ...
TrigToExp[expr] converts trigonometric functions in expr to exponentials.
UnderscriptBox[x, y] is the low-level box representation for UnderscriptBox[x, y] in notebook expressions.
UndirectedGraph[g] gives an undirected graph from the directed graph g.