DiscreteLyapunovSolve[a, c] finds the numeric solution x of the discrete matrix equation a.x.a\[ConjugateTranspose] - x == c.DiscreteLyapunovSolve[a, b, c] solves a.x.b - x ...

Flatten[list] flattens out nested lists. Flatten[list, n] flattens to level n. Flatten[list, n, h] flattens subexpressions with head h. Flatten[list, {{s_11, s_12, ...}, ...

Special forms for some common symbols. This is equivalent to Sin[60Degree]. Here is the long form of the input.

Mathematica's symbolic architecture makes it possible to treat images just like any other form of expression—applying functions to them, displaying and inputting them in ...

By providing a completely extensible set of vertex and edge properties, you can make graphs represent much more than the structural information embodied in their topology. ...

As of Version 7, the Bar Charts Package has been integrated into the Mathematica kernel.

RowReduce[m] gives the row-reduced form of the matrix m.

The Mathematica front end provides an Insert > Table/Matrix submenu for creating and editing arrays with any specified number of rows and columns. Once you have such an ...

LQEstimatorGains[ss, {w, v}] gives the optimal estimator gain matrix for the StateSpaceModel object ss with process and measurement noise covariance matrices w and ...

DualSystemsModel[ss] gives the dual of the StateSpaceModel object ss.