radius of convergence

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English

Noun

radius of convergence (plural radii of convergence)

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

Translations

radius of open where series is convergent

Danish: konvergensradius c

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