NumberForm (Built-in Mathematica Symbol)

NumberForm[expr, n] prints with approximate real numbers in expr given to n-digit precision.

PolyGamma (Built-in Mathematica Symbol)

PolyGamma[z] gives the digamma function \[Psi](z). PolyGamma[n, z] gives the n\[Null]^th derivative of the digamma function \[Psi] (n) (z).

RealDigits (Built-in Mathematica Symbol)

RealDigits[x] gives a list of the digits in the approximate real number x, together with the number of digits that are to the left of the decimal point. RealDigits[x, b] ...

RootApproximant (Built-in Mathematica Symbol)

RootApproximant[x] converts the number x to one of the "simplest" algebraic numbers that approximates it well.RootApproximant[x, n] finds an algebraic number of degree at ...

Sech (Built-in Mathematica Symbol)

Sech[z] gives the hyperbolic secant of z.

SetSharedFunction (Built-in Mathematica Symbol)

SetSharedFunction[f_1, f_2, ...] declares the symbols f_i as shared functions whose downvalues are synchronized among all parallel kernels.

Sinh (Built-in Mathematica Symbol)

Sinh[z] gives the hyperbolic sine of z.

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 ...

SymmetricReduction (Built-in Mathematica Symbol)

SymmetricReduction[f, {x_1, ..., x_n}] gives a pair of polynomials {p, q} in x_1, ..., x_n such that f == p + q, where p is the symmetric part and q is the ...

Tanh (Built-in Mathematica Symbol)

Tanh[z] gives the hyperbolic tangent of z.