Understanding Epsilon Delta Limits Relationship in Calculus

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SUMMARY

The discussion centers on the relationship between delta and epsilon in the context of limits in calculus, specifically when approaching a point X to find its derivative. Participants emphasize the importance of precise language in defining the behavior of delta(x) and delta(y) as they converge towards X. The conversation highlights the need for a rigorous understanding of how these values shrink around X, ensuring clarity in the foundational concepts of calculus.

PREREQUISITES
  • Understanding of limits in calculus
  • Familiarity with the epsilon-delta definition of limits
  • Basic knowledge of derivatives and their calculations
  • Ability to interpret mathematical notation and terminology
NEXT STEPS
  • Study the formal epsilon-delta definition of limits in calculus
  • Explore examples of limit proofs using epsilon-delta arguments
  • Learn about the implications of limits on derivative calculations
  • Review common pitfalls in understanding limits and derivatives
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Students of calculus, mathematics educators, and anyone seeking to deepen their understanding of limits and derivatives in mathematical analysis.

Miike012
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Homework Statement



Is my understanding correct?

As delta(y) and delta(x) approach X from points to the left and points to the right of X (x is what we wish to find the derivative of) then the x and y values of points to the left and right approach the x and y values of X.
And as the approach... delta x and delta y approach zero thus... the delta and epsilon shrink and shrink around X.

hope that isn't confusing.

Homework Equations





The Attempt at a Solution

 
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There is a lot of abitrary phrasing in your explanation; the same sort of phrasing that makes the typical definitions in calculus non-rigorous.

Try putting it into more solid terms and state clearly the relationship between delta and epsilon.
 

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