power series

American  

noun

Mathematics.

1. 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.

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power series British  

noun

1. a mathematical series whose terms contain ascending positive integral powers of a variable, such as a 0 + a 1 x + a 2 x ² +…

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power series Scientific  

1. A sum of successively higher integral powers of a variable or combination of variables, each multiplied by a constant coefficient.

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Etymology

Origin of power series

First recorded in 1890–95

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Example Sentences

See Examples For:

power series

Next we consider functions involving an expression similar to the sum of a geometric series and show how to represent these functions using power series.

From Textbooks ● Mar. 30, 2016

We now summarize these three possibilities for a general power series.

From Textbooks ● Mar. 30, 2016

So, the question is, when can we represent a function by a power series?

From Textbooks ● Mar. 30, 2016

Some power series converge only at that value of x.

From Textbooks ● Mar. 30, 2016

This function is analytic in the domain, and the power series representing it is the Taylor’s series for the function.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

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