QPochhammer[a, q, n] gives the q-Pochhammer symbol (a; q) n.QPochhammer[a, q] gives the q-Pochhammer symbol (a; q) \[Infinity].QPochhammer[q] gives the q-Pochhammer symbol ...
The ability to generate pseudorandom numbers is important for simulating events, estimating probabilities and other quantities, making randomized assignments or selections, ...
A field is an algebraic structure obeying the rules of ordinary arithmetic. In particular, a field has binary operations of addition and multiplication, both of which are ...
GraphEdit[] opens an interactive graph editor.GraphEdit[g] plots the graph g in the interactive graph editor.
Assumptions is an option for functions such as Simplify, Refine, and Integrate that specifies default assumptions to be made about symbolic quantities.
CatalanNumber[n] gives the n\[Null]^th Catalan number C_n.
DiscreteDelta[n_1, n_2, ...] gives the discrete delta function \[Delta] (n_1, n_2, ...), equal to 1 if all the n_i are zero, and 0 otherwise.
FullSimplify[expr] tries a wide range of transformations on expr involving elementary and special functions, and returns the simplest form it finds. FullSimplify[expr, assum] ...
ImageCorrespondingPoints[image_1, image_2] finds a set of matching interest points in image_1 and image_2 and returns their pixel coordinates.
While
(Built-in Mathematica Symbol) While[test, body] evaluates test, then body, repetitively, until test first fails to give True.