ResetDirectory[] resets the current working directory to its previous value.

SystemsModelOrder[ss] gives the order of the StateSpaceModel object ss.

In doing a calculation with Mathematica, you usually go through a sequence of steps. If you want to, you can do each step on a separate line. Often, however, you will find it ...

Mathematica can collect, process, and display data dynamically and in real time. A large collection of curated data is built into Mathematica , which puts an extraordinary ...

EaseOfMovement

$PathnameSeparator is a string used as a separator when full file and directory names are constructed.

FileNameTake["name"] gives the last path element in the file name " name".FileNameTake["name", n] gives the first n path elements in the file name " ...

Links[] gives a list of all MathLink connections that are currently open. Links[patt] lists only links whose names match the specified string pattern.

NestWhile[f, expr, test] starts with expr, then repeatedly applies f until applying test to the result no longer yields True. NestWhile[f, expr, test, m] supplies the most ...

% n or Out[n] is a global object that is assigned to be the value produced on the n\[Null]^th output line. % gives the last result generated. %% gives the result before last. ...