Overview
Syllabus
Introducing the double integral.
Defining the double integral.
Iterated integrals and Fubini's theorem.
Examples of integrals over rectangles.
Integrals over general regions.
Example: integral over a general region.
Reversing the order of integration: Example 1.
Reversing the order of integration: Example 2.
Double integrals in polar coordinates.
Polar coordinates: Examples 1 and 2.
Polar coordinates: Example 3.
Example: volume of a tetrahedron.
Example: volume using polar coordinates.
Introduction to triple integrals.
Tetrahedron volume, as a triple integral.
Changing order of integration in a triple integral.
Volume problem leading to cylindrical coordinates.
The cylindrical coordinate system.
Cylindrical coordinates and volume of a cone.
Introducing spherical coordinates.
Integration in spherical coordinates.
Volume of a spherical wedge.
Volume of a conical cup.
The spherical coordinate Jacobian.
Transformations and change of variables.
Change of variables example: parallelogram.
Working with the inverse transformation (a shortcut!).
Another change of variables example.
Taught by
Sean Fitzpatrick