ImageTake (Built-in Mathematica Symbol)

ImageTake[image, n] gives an image consisting of the first n rows of image.ImageTake[image, -n] gives an image consisting of the last n rows of image.ImageTake[image, {row_1, ...

KroneckerSymbol (Built-in Mathematica Symbol)

KroneckerSymbol[n, m] gives the Kronecker symbol (n/m).

LiouvilleLambda (Built-in Mathematica Symbol)

LiouvilleLambda[n] gives the Liouville function \[Lambda](n).

MangoldtLambda (Built-in Mathematica Symbol)

MangoldtLambda[n] gives the von Mangoldt function \[CapitalLambda](n).

PrimeNu (Built-in Mathematica Symbol)

PrimeNu[n] gives the number of distinct primes \[Nu](n) in n.

PrimeOmega (Built-in Mathematica Symbol)

PrimeOmega[n] gives the number of prime factors counting multiplicities \[CapitalOmega](n) in n.

Unprotect (Built-in Mathematica Symbol)

Unprotect[s_1, s_2, ...] removes the attribute Protected for the symbols s_i. Unprotect["form_1", "form_2", ...] unprotects all symbols whose names textually match any of the ...

Automatic Loading of Packages (Mathematica Tutorial)

Other tutorials have discussed explicit loading of Mathematica packages using <<package and Needs[package]. Sometimes, however, you may want to set Mathematica up so that it ...

Subscripts, Bars, and Other Modifiers (Mathematica Tutorial)

Here is a typical palette of modifiers. Mathematica allows you to use any expression as a subscript. Unless you specifically tell it otherwise, Mathematica will interpret a ...

DatabaseLink Data Access and ... (DatabaseLink Guide)

DatabaseLink provides functions for working with data stored in tables in SQL databases. Operations such as searching, inserting, and deleting are supported. They also ...