Residue

Residue[expr, x, ] finds the residue of expr at the point .

The residue is defined as the coefficient of (x - )^-1 in the Laurent expansion of expr.

Mathematica can usually find residues at a point only when it can evaluate power series at that point.

See Section 3.6.10.

See also: Series, Limit, PrincipalValue.

Related package: Algebra`RootIsolation`.

New in Version 2.

Further Examples