WaveletScale is an option for ContinuousWaveletTransform and related constructs used to specify the smallest resolvable scale.
WeberE
(Built-in Mathematica Symbol) WeberE[\[Nu], z] gives the Weber function E \[Nu] (z).WeberE[\[Nu], \[Mu], z] gives the associated Weber function E_\[Nu]^\[Mu](z).
WeierstrassInvariants[{\[Omega], \[Omega]^\[Prime]}] gives the invariants {g_2, g_3} for Weierstrass elliptic functions corresponding to the half-periods {\[Omega], ...
WeightedGraphQ[g] yields True if the graph g is a weighted graph and False otherwise.
WienerFilter[image, r] removes noise from image by applying a range-r Wiener filter.WienerFilter[image, r, ns] assumes an additive noise power value ns.
WindowMargins is a notebook option that specifies what margins to leave around the window that is used to display the notebook on the screen.
WindowSize is a notebook option that specifies the size of window that should be used to display a notebook on the screen.
YuleDissimilarity[u, v] gives the Yule dissimilarity between Boolean vectors u and v.
$Assumptions is the default setting for the Assumptions option used in such functions as Simplify, Refine, and Integrate.
$CharacterEncoding specifies the default raw character encoding to use for input and output functions.