Radius of convergence

English

Noun

1. for a power series $\sum _{n=0}^{\mathrm{\infty }}{c}_n(z-a{)}^n$, the unique number $R=[0,\mathrm{\infty }]$ such that the sum is convergent for $|z-a|<R$, and divergent for $|z-a|>R$

Translations

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