alternating series

American  

noun

Mathematics.

1. a series, usually infinite, in which successive terms have opposite signs, as 1 − ½ + ¼ − ⅛ + … .

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Example Sentences

Cheatham and Mahomes had been sharing the quarterback role since the seventh grade, routinely alternating series as the Wildcats racked up wins.

From Los Angeles Times • Feb. 10, 2023

Lock, who coach Pete Carroll said had been hit “pretty hard’’ by COVID, was back at practice Sunday and participated fully, alternating series with the number one offense with Smith.

From Seattle Times • Aug. 21, 2022

The pullover jerseys featured an alternating series of horizontal stripes, rendered in shades of orange, yellow and red, the word Astros spelled out above in clean, unembellished sans serif letterforms.

From New York Times • Apr. 14, 2017

By the alternating series test, this estimate is accurate to within an error of less than 1 ≈ 0.0046296 < 0.01.

From Textbooks • Mar. 30, 2016

How do we know that the present season may not be the first of an alternating series, and that it may not at any moment terminate, and be succeeded by one of an opposite character?

From Old-Fashioned Ethics and Common-Sense Metaphysics With Some of Their Applications by Thornton, William Thomas