Tr (Built-in Mathematica Symbol)

Tr[list] finds the trace of the matrix or tensor list. Tr[list, f] finds a generalized trace, combining terms with f instead of Plus. Tr[list, f, n] goes down to level n in ...

VarianceEstimatorFunction (Built-in Mathematica Symbol)

VarianceEstimatorFunction is an option for LinearModelFit and NonlinearModelFit which specifies the variance estimator to use.

SQLDropTable (DatabaseLink Symbol)

SQLDropTable[conn, table] drops a table in an SQL connection.

Using the Example Databases (DatabaseLink Tutorial)

DatabaseLink contains a number of example databases (many use HSQLDB). These allow you to try examples in the documentation and learn the details of working with databases in ...

JavaShow (JLink Symbol)

JavaShow[window] causes the specified Java window to be brought to the foreground, so that it appears in front of notebook windows.

ReturnAsJavaObject (JLink Symbol)

ReturnAsJavaObject[expr] causes a Java method call or field access during the evaluation of expr to return its result as an object reference (a JavaObject expression), not a ...

ReturnAsNETObject (NETLink Symbol)

ReturnAsNETObject[expr] causes a .NET call during the evaluation of expr to return its result as an object reference (i.e., a NETObject expression), not a value.

InstallServiceOperation (WebServices Symbol)

InstallServiceOperation[name, endpoint, arguments, headers] creates a function for the web service operation using the end point, arguments, and options.

$PrintWSDLDebug (WebServices Symbol)

$PrintWSDLDebug specifies whether WSDL debugging information will be printed when installing a web service.

Transformation Rules and Definitions (Mathematica Overview)

Applying Transformation Rules Manipulating Sets of Transformation Rules Making Definitions