- an infinite series in which the terms are coefficients times successive powers of a given variable, or times products of powers of two or more variables.
Origin of power series
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for power series
Thus we may make the power-series commence with 1, if we make the index-series commence with 0.
- a mathematical series whose terms contain ascending positive integral powers of a variable, such as a 0 + a 1 x + a 2 x ² +…
- A sum of successively higher integral powers of a variable or combination of variables, each multiplied by a constant coefficient.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.