interval of convergence
an interval associated with a given power series such that the series converges for all values of the variable inside the interval and diverges for all values outside it.
Continually vs. ContinuouslyToday we’re going to explore the meanings and uses of the adverbs continually and continuously. These terms, along with their adjective forms continual and continuous, are often used interchangeably in speech and writing, but style guides urge writers to practice discernment when using continually and continuously. In formal contexts, continually should be used to mean “very often; at regular or frequent intervals,” and continuously to …
Compare circle of convergence.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019