18.02SC | Fall 2010 | Undergraduate

Multivariable Calculus

3. Double Integrals and Line Integrals in the Plane

Part A: Double Integrals

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In part A, we will learn about double integration over regions in the plane. Conceptually an integral is a sum. We will apply this idea to computing the mass, center of mass and moment of inertia of a two dimensional body and the volume of a region bounded by surfaces.

In order to compute double integrals we will have to describe regions in the plane in terms of the equations describing their boundary curves. After that, the computation just becomes two single variable integrations done iteratively.

» Session 47: Definition of Double Integration
» Session 48: Examples of Double Integration
» Session 49: Exchanging the Order of Integration
» Session 50: Double Integrals in Polar Coordinates
» Session 51: Applications: Mass and Average Value
» Session 52: Applications: Moment of Inertia
» Session 53: Change of Variables
» Session 54: Example: Polar Coordinates
» Session 55: Example
» Problem Set 7

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Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Read course notes and examples
  • Do problems and use solutions to check your work

Lecture Video

Video Excerpts

Clip: Definition of Double Integration

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.


Reading and Examples

Definition of Double Integration (PDF)

Problems and Solutions

Problems: Setting Up Double Integrals (PDF)

Solutions (PDF)

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Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Read course notes
  • Review examples
  • Watch a recitation video

Lecture Video

Video Excerpts

Clip: Examples of Double Integration

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.


Limits in Rectangular Coordinates (PDF)

Examples

Limits for Double Integrals (PDF)

Recitation Video

Regions of Integration

Problems and Solutions

Problems: Regions of Integration (PDF)

Solutions (PDF)

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Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Review examples
  • Watch a recitation video

Lecture Video

Video Excerpts

Clip: Exchanging the Order of Integration

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.

Examples

Changing the Order of Integration (PDF)

Recitation Video

Changing the Order of Integration

Problems and Solutions

Problems: Exchanging the Order of Integration (PDF)

Solutions (PDF)

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« Previous | Next »

Overview

In this session you will:

  • Watch lecture video
  • Read course notes and examples
  • Watch a recitation video
  • Do problems and use solutions to check your work

Lecture Video

Video Excerpts

Clip: Double Integrals in Polar Coordinates

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.


Reading and Examples

Double Integration: Polar Coordinates (PDF)

Recitation Video

Integration in Polar Coordinates

Problems and Solutions

Problems: Double Integration in Polar Coordinates (PDF)

Solutions (PDF)

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« Previous | Next »

Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Read course notes and examples
  • Watch a recitation video
  • Do problems and use solutions to check your work

Lecture Video

Video Excerpts

Clip: Applications: Moment of Inertia

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.


Reading and Examples

Double Integration: Moment of Inertia (PDF)

Recitation Video

Integrals with Density

Problems and Solutions

Problems: Moment of Inertia (PDF)

Solutions (PDF)

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Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Read course notes and examples
  • Watch a recitation video

Lecture Video

Video Excerpts

Clip: Change of Variables

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.



Reading and Examples

Changing Variables in Multiple Integrals (PDF)

Recitation Video

Change of Variables

Problems and Solutions

Problems: Change of Variables (PDF)

Solutions (PDF)

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« Previous | Next »

Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Read course notes
  • Watch a recitation video

Lecture Video

Video Excerpts

Clip: Polar Coordinates

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.

Proof of the Jacobian Formula (PDF)

Recitation Video

Integral of exp(-x2)

Problems and Solutions

Problems: Polar Coordinates and the Jacobian (PDF)

Solutions (PDF)

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« Previous | Next »

Overview

In this session you will:

  • Watch a lecture video clip and read board notes
  • Read course notes and examples
  • Watch a recitation video

Lecture Video

Video Excerpts

Clip: Example

The following images show the chalkboard contents from these video excerpts. Click each image to enlarge.

Reading and Examples

Putting in the Limits (PDF)

Recitation Video

Change of Variables

Problems and Solutions

Problems: Change of Variables Example (PDF)

Solutions (PDF)

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Course Info

Instructor
Departments
As Taught In
Fall 2010
Learning Resource Types
Simulations
Exams with Solutions
Problem Sets with Solutions
Lecture Videos
Lecture Notes