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Mathematics LibreTexts

Multiple Integrals

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  • 15.1: Double and Iterated Integrals over Rectangles
  • 15.2: Double Integrals over General Regions
  • 15.3: Area by Double Integration
    In this section, we will learn to calculate the area of a bounded region using double integrals, and using these calculations we can find the average value of a function of two variables.
  • 15.4: Double Integrals in Polar Form
    Up until now, we have dealt with double integrals in the Cartesian coordinate system. This is helpful in situations where the domain can be expressed simply in terms of  x and y. However, many problems are not so easy to graph. If the domain has the characteristics of a circle or cardioid, then it is much easier to solve the integral using polar coordinates.
  • 15.5: Triple Integrals in Rectangular Coordinates
    Just as a single integral has a domain of one-dimension (a line) and a double integral a domain of two-dimension (an area), a triple integral has a domain of three-dimension (a volume). Furthermore, as a single integral produces a value of 2D and a double integral a value of 3D, a triple integral produces a value of higher dimension beyond 3D, namely 4D.
  • 15.6: Moments and Centers of Mass
    This section shows how to calculate the masses and moments of two- and three- dimensional objects in Cartesian (x,y,z) coordinates.
  • 15.7: Triple Integrals in Cylindrical and Spherical Coordinates
    Sometimes, you may end up having to calculate the volume of shapes that have cylindrical, conical, or spherical shapes and rather than evaluating such triple integrals in Cartesian coordinates, you can simplify the integrals by transforming the coordinates to cylindrical or spherical coordinates. For this topic, we will learn how to do such transformations then evaluate the triple integrals.
  • 15.8: Substitutions in Multiple Integrals
    This section discusses the translation of a graph from the xy Cartesian plane to the uv Cartesian plane and defines the Jacobian.


Multiple Integrals is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts.

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