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.

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Example Sentences

See Examples For:

ratio test

They then placed the rats in a progressive ratio test, in which the animals had to make an increasing number of touches to receive each food reward.

From Science Daily ● Aug. 5, 2026

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

In this section, we prove the last two series convergence tests: the ratio test and the root test.

From Textbooks ● Mar. 30, 2016

To determine the interval of convergence for a power series, we typically apply the ratio test.

From Textbooks ● Mar. 30, 2016

The following series converge by the ratio test.

From Textbooks ● Mar. 30, 2016

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