Definition of power series in English:

power series

Syllabification: pow·er se·ries

noun

Mathematics
  • 1An infinite series of the form Σanxn (where n is a positive integer).
    More example sentences
    • Not surprisingly, he also discovered the infinite power series for the cosine and the tangent.
    • This is called a power series for sin because it is a series in terms of powers of x.
    • Already at this stage he began to undertake research, investigating the problem of finding an estimate for the determinant generated by coefficients of a power series.
  • 1.1A generalization of a power series for more than one variable.
    More example sentences
    • It also contains continued fractions, quadratic equations, sums of power series and a table of sines.
    • He worked on power series and on potential theory.
    • Some of his most well-known contributions are a theorem connected to the Phragmén-Lindelöf principle, a theorem about the zeros of the V-function and several theorems about power series with integer coefficients.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody