ObservableModelQ (Built-in Mathematica Symbol)

ObservableModelQ[ss] gives True if the StateSpaceModel object ss is observable, and False otherwise.

PartitionsP (Built-in Mathematica Symbol)

PartitionsP[n] gives the number p (n) of unrestricted partitions of the integer n.

PartitionsQ (Built-in Mathematica Symbol)

PartitionsQ[n] gives the number q (n) of partitions of the integer n into distinct parts.

PolynomialLCM (Built-in Mathematica Symbol)

PolynomialLCM[poly_1, poly_2, ...] gives the least common multiple of the polynomials poly_i. PolynomialLCM[poly_1, poly_2, ..., Modulus -> p] evaluates the LCM modulo the ...

PrependTo (Built-in Mathematica Symbol)

PrependTo[s, elem] prepends elem to the value of s, and resets s to the result.

Primes (Built-in Mathematica Symbol)

Primes represents the domain of prime numbers, as in x \[Element] Primes.

Reals (Built-in Mathematica Symbol)

Reals represents the domain of real numbers, as in x \[Element] Reals.

Short (Built-in Mathematica Symbol)

Short[expr] prints as a short form of expr, less than about one line long. Short[expr, n] prints as a form of expr about n lines long.

Signature (Built-in Mathematica Symbol)

Signature[list] gives the signature of the permutation needed to place the elements of list in canonical order.

Slot (Built-in Mathematica Symbol)

# represents the first argument supplied to a pure function. # n represents the n\[Null]\[Null]^th argument.