FoldList[f, x, {a, b, ...}] gives {x, f[x, a], f[f[x, a], b], ...}.
Length
(Built-in Mathematica Symbol) Length[expr] gives the number of elements in expr.
TreePlot[{v i 1 -> v j 1, v i 2 -> v j 2, ...}] generates a tree plot of the graph in which vertex v_ik is connected to vertex v_jk.TreePlot[{{v i 1 -> v j 1, lbl_1}, ...}] ...
EulerE
(Built-in Mathematica Symbol) EulerE[n] gives the Euler number E_n. EulerE[n, x] gives the Euler polynomial E_n (x).
MIDI
(Mathematica Import/Export Format) MIME type: audio/midi Standard MIDI file format. Audio format. Used for controlling electronic musical instruments, computer sound cards, and sequencers. Stores a sequence of ...
MorphologicalTransform[image, f] applies the function f to the 3*3 neighborhood of each pixel in a binary image image.MorphologicalTransform[image, rule] applies a ...
StirlingS2[n, m] gives the Stirling number of the second kind \[ScriptCapitalS]_n^(m).
Union
(Built-in Mathematica Symbol) Union[list_1, list_2, ...] gives a sorted list of all the distinct elements that appear in any of the list_i. Union[list] gives a sorted version of a list, in which all ...
PadLeft
(Built-in Mathematica Symbol) PadLeft[list, n] makes a list of length n by padding list with zeros on the left. PadLeft[list, n, x] pads by repeating the element x. PadLeft[list, n, {x_1, x_2, ...}] pads ...
SymmetricPolynomial[k, {x_1, ..., x_n}] gives the k\[Null]^th elementary symmetric polynomial in the variables x_1, ..., x_n.