formal sum
formal sum · formal sums
An element of a free abelian group or vector space regarded as a sum of basis elementsAn expression which looks like a sum but where the symbol + has a purely symbolic role, in the sense that the summands cannot be meaningfully combined.: An element of a free abelian group or vector space regarded as a sum of basis elements.
Meaning
2 sensesAn expression which looks like a sum but where the symbol + has a purely symbolic role, in the sense that the summands cannot be meaningfully combined.
An element of a free abelian group or vector space regarded as a sum of basis elements.
A sum of an infinite sequence of numbers considered as an indeterminate object, in the sense of being subject to certain algebraic manipulations but not necessarily convergent.
Forms
plural: formal sums| Singular | formal sum |
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| Plural | formal sums |
regular