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Mathematics LibreTexts

7: Integrals of Functions of Several Variables

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IN THIS CHAPTER we study the integral calculus of real-valued functions of several variables.

  • SECTION 7.1 defines multiple integrals, first over rectangular parallelepipeds in \Rn and then over more general sets. The discussion deals with the multiple integral of a function whose discontinuities form a set of Jordan content zero, over a set whose boundary has Jordan content zero.
  • SECTION 7.2 deals with evaluation of multiple integrals by means of iterated integrals.
  • SECTION 7.3 begins with the definition of Jordan measurability, followed by a derivation of the rule for change of content under a linear transformation, an intuitive formulation of the rule for change of variables in multiple integrals, and finally a careful statement and proof of the rule. This is a complicated proof.


This page titled 7: Integrals of Functions of Several Variables is shared under a CC BY-NC-SA 3.0 license and was authored, remixed, and/or curated by William F. Trench via source content that was edited to the style and standards of the LibreTexts platform.

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