Covariance[v_1, v_2] gives the covariance between the vectors v_1 and v_2.Covariance[m] gives the covariance matrix for the matrix m.Covariance[m_1, m_2] gives the covariance ...
Denominator[expr] gives the denominator of expr.
DistributionParameterQ[dist] yields True if dist is a valid distribution, and yields False otherwise.
DocumentNotebook[{cell_1, cell_2, ...}] represents a complete document notebook in the Mathematica front end.
FromCharacterCode[n] gives a string consisting of the character with integer code n. FromCharacterCode[{n_1, n_2, ...}] gives a string consisting of the sequence of ...
Get
(Built-in Mathematica Symbol) << name reads in a file, evaluating each expression in it, and returning the last one.
GroupElementPosition[group, g] returns the position of the element g in the list of elements of group.GroupElementPosition[group, {g_1, ..., g_n}] returns the list of ...
ImageLines[image] finds line segments in image and returns the coordinates of their endpoints.ImageLines[image, t] uses the threshold t for selecting image ...
InteractiveTradingChart[{{date_1, {open_1, high_1, low_1, close_1, volume_1}}, ...}] makes a chart showing prices and volume for each date. InteractiveTradingChart[{" name", ...
InverseCDF[dist, q] gives the inverse of the cumulative distribution function for the symbolic distribution dist as a function of the variable q.