RealExponent[x] gives log_10 (|x|).RealExponent[x, b] gives log_b (|x|).
Select
(Built-in Mathematica Symbol) Select[list, crit] picks out all elements e_i of list for which crit[e_i] is True. Select[list, crit, n] picks out the first n elements for which crit[e_i] is True.
SixJSymbol[{j_1, j_2, j_3}, {j_4, j_5, j_6}] gives the values of the Racah 6-j symbol.
SQLResultSetRead[rs] shifts the current position and then reads a row from a result set.SQLResultSetRead[rs, num] reads num rows from a result set.
Finding singular values and norms of matrices. The singular values of a matrix m are the square roots of the eigenvalues of m.m^*, where * denotes Hermitian transpose. The ...
SquareFreeQ, PrimePowerQ, KroneckerSymbol, ChineseRemainder and PrimitiveRoot have been added to the built-in Mathematica kernel functions. NextPrime and PreviousPrime are ...
List
(Built-in Mathematica Symbol) {e_1, e_2, ...} is a list of elements.
LogLinearPlot[f, {x, x_min, x_max}] generates a log-linear plot of f as a function of x from x_min to x_max. LogLinearPlot[{f_1, f_2, ...}, {x, x_min, x_max}] generates ...
NegativeBinomialDistribution[n, p] represents a negative binomial distribution with parameters n and p.
SeriesCoefficient[series, n] finds the coefficient of the n\[Null]\[Null]^th-order term in a power series in the form generated by Series. SeriesCoefficient[f, {x, x_0, n}] ...