point of accumulation

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point of accumulation

A graph shows a curve approaching a point of accumulation.

Definition

Noun: 1. The mathematical value toward which a function goes as the independent variable approaches infinity: In calculus and analysis, this is the limit of a function as its input grows without bound. It describes the value that the function's output gets arbitrarily close to, even if it never exactly reaches it, as the input increases indefinitely.

Usage

This is a technical term used almost exclusively in mathematical contexts, specifically in the study of limits, sequences, and series. It describes the long-term behavior of a function.

Examples
  • Noun:
    • For the function f(x) = 1/x, the point of accumulation as x approaches infinity is 0.
    • The mathematician calculated the point of accumulation for the infinite series to determine if it converged.
Advanced Usage
  • Conceptual Understanding: The term is synonymous with "limit at infinity." It is crucial for defining convergence in infinite series and improper integrals.
  • Distinction from Finite Limits: While a standard limit (e.g., as x approaches 2) is also a type of accumulation point, the phrase "point of accumulation" in this context specifically highlights behavior towards infinity.
Variants and Related Words
  • Limit (at infinity) (n): The more common and general term for the same concept.
  • Asymptotic value (n): A value that a curve approaches arbitrarily closely. This is closely related, especially for functions with horizontal asymptotes.
  • Convergence (n): The property of approaching a specific limit or point of accumulation.
Synonyms
  • Limit (as the variable approaches infinity)
  • Limiting value
Notes

This is a highly specialized term. In most mathematical discourse, the simpler term "limit" is preferred (e.g., "the limit as x approaches infinity"). "Point of accumulation" may be used for emphasis or in more formal theoretical contexts.

point of accumulation

A graph shows a curve approaching a point of accumulation.

Noun
  1. the mathematical value toward which a function goes as the independent variable approaches infinity

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