radius of convergence (English, noun)
expansion: radius of convergence (plural radii of convergence)
Senses:
glosses: for a power series ∑ₙ₌₀ ᪲c_n(z-a)ⁿ, the unique number R=[0,∞] such that the sum is convergent for |z-a|R
Forms:
form: radii of convergence
tags: plural