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Acronyms that contain the term indefinite sum
What does indefinite sum mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: indefinite sum.
Term | Definition | Rating |
---|---|---|
IDIQ | Indefinite Delivery Indefinite Quantity | |
ILP | Indefinite Listing Privilege | |
ILP | Indefinite Listing Privilege | |
ILP | Indefinite Listing Privilege | |
CVI | Conditional Voluntary Indefinite | |
IPA | Indefinite Particle Article | |
SIA | Singular Indefinite Article | |
GRI | Guarding Rights Indefinite | |
ILR | Indefinite Leave To Remain | |
IDV | Indefinite Delivery Vehicle | |
CID | Contract of Indefinite Duration | |
IDPO | Indefinite Delivery Purchase Order | |
IQ | Indefinite Quantity | |
IDC | Indefinite Delivery Contract | |
IQC | Indefinite Quantity Contract | |
IQPP | Indefinite Quadratic Programming Problem | |
IDIQ | Indefinite Quantity | |
IDTC | Indefinite Delivery Type Contract | |
IDIQ | Indefinite Delivery Indefinite Quantity | |
ID/IQ | Indefinite Delivery/indefinite Quantity | |
IDIQ | indefinite-delivery, indefinite-quantity [contracts] |
What does indefinite sum mean?
- Indefinite sum
- In discrete calculus the indefinite sum operator (also known as the antidifference operator), denoted by ∑ x {\textstyle \sum _{x}} or Δ − 1 {\displaystyle \Delta ^{-1}} , is the linear operator, inverse of the forward difference operator Δ {\displaystyle \Delta } . It relates to the forward difference operator as the indefinite integral relates to the derivative. Thus Δ ∑ x f ( x ) = f ( x ) . {\displaystyle \Delta \sum _{x}f(x)=f(x)\,.} More explicitly, if ∑ x f ( x ) = F ( x ) {\textstyle \sum _{x}f(x)=F(x)} , then F ( x + 1 ) − F ( x ) = f ( x ) . {\displaystyle F(x+1)-F(x)=f(x)\,.} If F(x) is a solution of this functional equation for a given f(x), then so is F(x)+C(x) for any periodic function C(x) with period 1. Therefore, each indefinite sum actually represents a family of functions. However, due to the Carlson's theorem, the solution equal to its Newton series expansion is unique up to an additive constant C. This unique solution can be represented by formal power series form of the antidifference operator: Δ − 1 = 1 e D − 1 {\displaystyle \Delta ^{-1}={\frac {1}{e^{D}-1}}} .
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"indefinite sum." Abbreviations.com. STANDS4 LLC, 2024. Web. 26 May 2024. <https://www.abbreviations.com/indefinite%20sum>.
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