Radius of Convergence
The distance between the center
of a power series' interval
of convergence and its endpoints.
If the series only converges at a single point, the radius of convergence
is 0. If the series converges over all real
numbers, the radius
of convergence is ∞.
See
also
Convergence
tests, power
series convergence,
Taylor series, Maclaurin series, infinity
