Date & Time (Mathematica Guide)

Mathematica has a highly flexible system for handling dates and times in almost any format, automatically converting between formats, and when necessary parsing strings ...

SystemsModelSeriesConnect (Built-in Mathematica Symbol)

SystemsModelSeriesConnect[sys_1, sys_2] connects TransferFunctionModel or StateSpaceModel objects sys_1 and sys_2 in series. SystemsModelSeriesConnect[sys_1, sys_2, {y, u}] ...

GainPhaseMargins (Built-in Mathematica Symbol)

GainPhaseMargins[sys] gives the gain and phase margins of the linear time-invariant system sys.

International Character Sets (Mathematica Guide)

Mathematica supports full Unicode throughout—in strings, symbols, graphics and external operations—allowing immediate streamlined use of all standard international character ...

Quasi-Newton Methods (Mathematica Tutorial)

There are many variants of quasi-Newton methods. In all of them, the idea is to base the matrix B_k in the quadratic model on an approximation of the Hessian matrix built up ...

StringReplaceList (Built-in Mathematica Symbol)

StringReplaceList["string", s -> sp] or StringReplaceList["string", {s_1 -> sp_1, s_2 -> sp_2, ...}] gives a list of the strings obtained by replacing each individual ...

PearsonDistribution (Built-in Mathematica Symbol)

PearsonDistribution[a_1, a_0, b_2, b_1, b_0] represents a distribution of the Pearson family with parameters a_1, a_0, b_2, b_1, and b_0.PearsonDistribution[type, a_1, a_0, ...

OutputControllableModelQ (Built-in Mathematica Symbol)

OutputControllableModelQ[ss] gives True if the StateSpaceModel object ss is output controllable, and False otherwise.

New in 6.0: Core Language (Mathematica Guide)

Built on powerful and elegant long-standing principles, the core Mathematica language has been gradually enhanced under tight control over its twenty-year history. Version ...

StateOutputEstimator (Built-in Mathematica Symbol)

StateOutputEstimator[ss, l] constructs an estimator for the StateSpaceModel object ss with estimator gain matrix l.StateOutputEstimator[{ss, sensors}, l] uses only sensors as ...