formal power series

English dictionary entry

Meanings

noun
  1. Any finite or infinite series of the form a_0+a_1x+a_2x²…=∑ᵢa_ixⁱ, where the aᵢ are numbers, but it is understood that no value is assigned to x.

Word forms

formal power series

Synonyms

formal series

Related words

formal Laurent series Lagrange inversion theorem Lagrange-Bürmann formula
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