DiscreteLyapunovSolve[a, c] finds the numeric solution x of the discrete matrix equation a.x.a\[ConjugateTranspose] - x == c.DiscreteLyapunovSolve[a, b, c] solves a.x.b - x ...
Discriminant[poly, var] computes the discriminant of the polynomial poly with respect to the variable var.Discriminant[poly, var, Modulus -> p] computes the discriminant ...
FindInstance[expr, vars] finds an instance of vars that makes the statement expr be True. FindInstance[expr, vars, dom] finds an instance over the domain dom. Common choices ...
FractionalPart[x] gives the fractional part of x.
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.
HermiteH[n, x] gives the Hermite polynomial H_n (x).
IndependentEdgeSetQ[g, elist] yields True if the edge list elist is an independent edge set of the graph g, and False otherwise.
Indeterminate is a symbol that represents a numerical quantity whose magnitude cannot be determined.
InputForm[expr] prints as a version of expr suitable for input to Mathematica.
InverseEllipticNomeQ[q] gives the parameter m corresponding to the nome q in an elliptic function.