ratio test

American  

noun

Mathematics.

1. the theorem that a given infinite series converges if the absolute value of the ratio of the term succeeding the n th term to the n th term approaches a limit less than 1 as n increases without bound.

---

Example Sentences

See Examples For:

ratio test

A likelihood ratio test was conducted to test the null hypothesis that intergenic distances follow an exponential distribution against the alternative hypothesis that the distances follow a mixture of exponential distributions.

From Nature ● Nov. 14, 2017

The ratio test is inconclusive if ρ = 1.

From Textbooks ● Mar. 30, 2016

To determine the interval of convergence, we use the ratio test.

From Textbooks ● Mar. 30, 2016

The ratio test is convenient because it does not require us to find a comparative series.

From Textbooks ● Mar. 30, 2016

Here we introduce the ratio test, which provides a way of measuring how fast the terms of a series approach zero.

From Textbooks ● Mar. 30, 2016