NFourierSeries[expr, t, n] gives a numerical approximation to the order n Fourier exponential series expansion of expr, where expr is a periodic function of t with period 2 ...
NFourierTrigSeries[expr, t, k] gives a numerical approximation to the order n Fourier trigonometric series expansion of expr, where expr is a periodic function of t with ...
XLS
(Mathematica Import/Export Format) Registered MIME type: application/vnd.ms-excel Microsoft Excel spreadsheet file. XLS is an acronym derived from Excel Spreadsheet. Stores spreadsheet data and formulas.
BooleanMaxterms[k, n] represents the k\[Null]^th maxterm in n variables.BooleanMaxterms[{k_1, k_2, ...}, n] represents the conjunction of the maxterms ...
BooleanMinterms[k, n] represents the k\[Null]\[Null]^th minterm in n variables.BooleanMinterms[{k_1, k_2, ...}, n] represents the disjunction of the minterms ...
Many large-scale applications of linear algebra involve matrices that have many elements, but comparatively few that are nonzero. You can represent such sparse matrices ...
ListPlot3D[array] generates a three-dimensional plot of a surface representing an array of height values. ListPlot3D[{{x_1, y_1, z_1}, {x_2, y_2, z_2}, ...}] generates a plot ...
FourierTransform[expr, t, \[Omega]] gives the symbolic Fourier transform of expr. FourierTransform[expr, {t_1, t_2, ...}, {\[Omega]_1, \[Omega]_2, ...}] gives the ...
GraphDistance[g, s, t] gives the distance from source vertex s to target vertex t in the graph g.GraphDistance[g, s] gives the distance from s to all vertices of the graph g.
InverseFourierTransform[expr, \[Omega], t] gives the symbolic inverse Fourier transform of expr. InverseFourierTransform[expr, {\[Omega]_1, \[Omega]_2, \ ...}, {t_1, t_2, ...