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MA101: Single-Variable Calculus I

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  6. Unit 6: Applications of the Derivative
  7. 6.3: Newton's Method
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  • 6.3: Newton's Method

    • Newton's Method is a process by which we estimate the roots of a real-valued function. You may remember the bisection method, where we find a root by creating smaller and smaller intervals. Newton's Method uses the derivative in order to account for both the speed at which the function changes and its actual position. This creates an algorithm that can help us identify the location of roots even more quickly.

      Newton's Method requires that you start "sufficiently close" (a somewhat arbitrary specification that varies from problem to problem) to the actual root in order to estimate it with accuracy. If you start too far from the root, then the algorithm can be led awry in certain situations.

    • Whitman College: David Guichard's "Calculus, Chapter 6: Applications of the Derivative, Section 6.3: Newton's Method" URL

      Read Section 6.3 (pages 135-138). In this reading, you will be introduced to a numerical approximation technique called Newton's Method. This method is useful for finding approximate solutions to equations which cannot be solved exactly.

    • Massachusetts Institute of Technology: David Jerison's "The Mean Value Theorem" Page

      Watch this video until 15:10. This portion of the video is about Newton's Method, despite the title.

    • Whitman College: David Guichard's "Calculus, Chapter 6: Applications of the Derivative, Exercises 6.3: Problems 1-4" URL

      Work through problems 1-4 for Exercise 6.3. When you are done, check your answers against Appendix A.

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MA101: Single-Variable Calculus I
Sections
Course Introduction
Unit 1: Analytic Geometry
Unit 2: Instantaneous Rate of Change: The Derivative
Unit 3: Rules for Finding Derivatives
Unit 4: Transcendental Functions
Unit 5: Curve Sketching
Unit 6: Applications of the Derivative
Unit 7: Integration
Unit 8: Applications of Integration
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