ImageData (Built-in Mathematica Symbol)

ImageData[image] gives the array of pixel values in image.ImageData[image, " type"] gives the array of pixel values converted to the specified type.

MeshFunctions (Built-in Mathematica Symbol)

MeshFunctions is an option for plotting functions that specifies functions to use to determine the placement of mesh divisions.

NumericFunction (Built-in Mathematica Symbol)

NumericFunction is an attribute that can be assigned to a symbol f to indicate that f[arg_1, arg_2, ...] should be considered a numeric quantity whenever all the arg_i are ...

OwenT (Built-in Mathematica Symbol)

OwenT[x, a] gives Owen's T function T(x, a).

Position (Built-in Mathematica Symbol)

Position[expr, pattern] gives a list of the positions at which objects matching pattern appear in expr. Position[expr, pattern, levelspec] finds only objects that appear on ...

RevolutionPlot3D (Built-in Mathematica Symbol)

RevolutionPlot3D[f_z, {t, t_min, t_max}] generates a plot of the surface of revolution with height f_z at radius t.RevolutionPlot3D[f_z, {t, t_min, t_max}, {\[Theta], ...

WeightedAdjacencyMatrix (Built-in Mathematica Symbol)

WeightedAdjacencyMatrix[g] gives the adjacency matrix of edge weights of the graph g.

WhittakerM (Built-in Mathematica Symbol)

WhittakerM[k, m, z] gives the Whittaker function M k, m (z).

Multiplying Vectors and Matrices (Mathematica Tutorial)

Different kinds of vector and matrix multiplication. This multiplies each element of the vector by the scalar k. The "dot" operator gives the scalar product of two vectors.

Structural Elements and Keyboard ... (Mathematica Tutorial)

Invisible characters. In the input there is an invisible comma between the 1 and 2. Here there is an invisible space between the x and y, interpreted as multiplication.