Sparse Arrays (Mathematica Guide)

Mathematica has special sparse-array technology for efficiently handling arrays with literally astronomical numbers of elements when only a small fraction of the elements are ...

ExcludedForms (Built-in Mathematica Symbol)

ExcludedForms is an option for FullSimplify which can be set to a list of patterns for expressions that should not be touched if they are encountered at intermediate steps in ...

Unset (Built-in Mathematica Symbol)

lhs =. removes any rules defined for lhs.

LiftingWaveletTransform (Built-in Mathematica Symbol)

LiftingWaveletTransform[data] gives the lifting wavelet transform (LWT) of an array of data.LiftingWaveletTransform[data, wave] gives the lifting wavelet transform using the ...

Plot3D (Built-in Mathematica Symbol)

Plot3D[f, {x, x_min, x_max}, {y, y_min, y_max}] generates a three-dimensional plot of f as a function of x and y. Plot3D[{f_1, f_2, ...}, {x, x_min, x_max}, {y, y_min, ...

VectorPlot (Built-in Mathematica Symbol)

VectorPlot[{v_x, v_y}, {x, x_min, x_max}, {y, y_min, y_max}] generates a vector plot of the vector field {v_x, v_y} as a function of x and y. VectorPlot[{{v_x, v_y}, {w_x, ...

SQLSelect (DatabaseLink Symbol)

SQLSelect[conn, table] extracts data from a table in an SQL connection. SQLSelect[conn, table, cols] extracts data from particular columns.SQLSelect[conn, table, cols, cond] ...

SQLTableInformation (DatabaseLink Symbol)

SQLTableInformation[conn] returns a list of information about the tables in an SQL connection.

Selecting Data (DatabaseLink Tutorial)

SQLSelect selects and returns data from a database. An alternative, using raw SQL, is described in "Selecting Data with Raw SQL". If you find that the examples in this ...

FileNameSetter (Built-in Mathematica Symbol)

FileNameSetter[name] represents a file name setter which displays as a Browse button and when clicked brings up a system file opening dialog, starting from the location ...