MAT 238

Section 12.1 Vectors

Videos

Vector operations: Sum, scalar multiple, dot product

Length of a 3D vector

Unit vectors: Direction of a vector

Plotting points

Reading

Lecture notes 1.1, 1.2

Section 12.2

Videos

Parametric equation of line in 3D

Parametric equation of line in 3D

Intersection of two lines

Reading

Lecture notes 1.8.0.2

Section 12.3 Dot product

Videos

Dot product

Angle between vectors

Parallel and perpendicular components

Reading

Lecture notes 1.5-1.6

Matrices

Videos

Multiplying matrices

2x2 determinant

3x3 determinant

Reading

Lecture notes 1.3, 1.4

Section 12.4 Cross product

Videos

Cross product

Cross product

Cross product example

Are of space triangle

Volume of parallelepiped

Reading

Lecture notes 1.7

Section 12.5 Planes in space

Videos

Normal equation of plane

Point of Intersection of a Plane and a Line

Point of Intersection of a Plane and a Line

Intersection to two planes

Line through a point and perpendicular to a plane

Plane given with point and parallel plane

Plane given with three points

Plane given with three points

Plane given with point and orthogonal line

Angle between two planes

Distance between point and plane

Distance between parallel planes

Distance between line and point

Reading

Lecture notes 1.8, 1.9

12.6 Quadratic surfaces

Mathematica is available in many NAU computer labs and on NAU's virtual desktop

Introduction to Mathematica

You can always call NAU ITS help line 928-523-9294 or Ask-STC@nau.edu and ask how you can have access to Mathematica.

Videos

Cylindrical Surfaces

Quadric Surfaces

Ellipsoid

Elliptical Cone

Elliptical Paraboloid

Hyperbolic Paraboloid

surfaces in 3D Calc Plotter, web page: CalcPlot3D

Section 12.7 Cylindrical and Spherical Coordinates

Videos

Cylindrical Coordinates

Spherical Coordinates

Cartesian Coordinates to Spherical

Spherical Coordinates to Cartesian

Cartesian Coordinates to Cylindrical

Cylindrical Coordinates to Cartesian

Cylindrical Equations to Rectangular

Rectangular Equations to Cylindrical

Spherical Equations to Rectangular

Rectangular Equation to a Spherical

Spherical Equation to a Rectangular

Section 13.1 Vector-valued funtions

Videos

Vector valued functions

Domain of a Vector Valued Function

space curves in 3D Calc Plotter

Curve of intersection of two surfaces

Curve of intersection of two surfaces

Vector Valued Function from a Rectangular Equation

Reading

Lecture notes 2.1

Section 13.2 Calculus of vector-valued functions

Videos

Derivative of vector-valued functions

Properties

More properties

Equation of tangent line

Angle of two curves

Integration with Initial Conditions

Definite integral

Section 13.5 Motion

Videos

Velocity, speed, direction, and acceleration

Velocity and Position from Acceleration

Test 1

14.1 Scalar fields

Videos

Finding domain

Level curves, contour plot

Function value from contour plot

Increasing or decreasing from contour plot

Traces

Graph Two Variable Function with 3D Calc Plotter

Contour plot with 3D Calc Plotter

14.2 Limits

Videos

Limits of Functions of Two Variables

Example 1

Example 2

Example 3

14.3 Partial derivatives

Videos

Partial derivatives

Partial derivative example

Partial derivative from contour plot

Second partial derivatives

Second partial derivatives

Reading

Lecture notes 3.1

Derivatives

Videos

Jacobian matrix

Jacobian matrix

Reading

Lecture notes 3.2

14.4 Tangent plane

Videos

Local linearization

Tangent plane

Tangent plane (exponential)

Tangent plane (trigonometric)

Reading

Lecture notes 3.3

14.6 Chain rule

Videos

Chain rule (a bit long, can't find anything better)

Reading

Lecture notes 3.4

14.5 Gradient

Videos

Gradient

Directional Derivative

Directional Derivatives and the Gradient

Max rate of change

Directional Derivative in 3D calc plotter

Gradient in 3D calc plotter

Normal vector

Tangent plane example

Reading

Lecture notes 3.5, 3.6

14.7 Extrema

Videos

Critical points, second derivative test

Local extrema

Local extrema

Global extrema, rectangular domain

Global extrema, circular domain

Minimum distance of point from plane

Minimum surface area of box

Maximum volume of box

Minimum cost of box

Distance between point and cone

Test 2

14.8 Lagrange Multipliers

Videos

Lagrange Multipliers two variables one constraint

Lagrange Multipliers three variables one constraint

Global extrema on disk

Lagrange Multipliers three variables two constraints

15.1 Double Integrals

Videos

Double integrals

Approximate volume from table of values

Approximate double integral from contour plot

Fubini

Double integral on rectangular region

Average value over rectangular region

15.2 Double Integrals on General Regions

Videos

Triangular region

More general region

More general region

Both order of integration

Change order of integration

Change order of integration

15.3 Triple Integrals

Videos

Triple integral

Tetrahedron

Cylinder

Volume

Different order of integration

15.6 Change of Variables

Videos

Change of variables

Triangle

Parallelogram

Jacobian 2x2

Jacobian 2x2

Jacobian 3x3

Reading

Lecture notes 4.1.1 - 4.1.2

15.4 Polar Cylindrical Spherical

Videos

Changing to polar

Changing to cylindrical

Volume of sphere

Double integral on a parallelogram

Spherical coordinates

Double integral on ellipse

Reading

Lecture notes 4.1.3

15.5 Applications

Videos

Mass 3D

Center of mass of triangle

Center of mass of cube

Center of mass paraboloid

Reading

Lecture notes 4.1.4 - 4.1.6

Test 3

16.2 Line Integrals Scalar

Videos

Line integral 2D

Line integral 3D

Mass of wire

Reading

Lecture notes 4.2

16.2 Line Integrals Vector

Videos

Parametrization piecewise

Work

Differential form

Line segment

Flux across a curve

Circulation and Flux

Reading

Lecture notes 4.3 - 4.3.2

16.1 Vector Fields 2D

Videos

Divergence and curl (definitely watch this)

Divergence

Sign of the Divergence

Curl

Curl intuition

Curl nuance

Reading

Lecture notes 4.3.3 - 4.3.4

16.1 Vector Fields 3D

Videos

Divergence 1

Divergence 2

Curl 1

Curl 2

Curl 3

Reading

Lecture notes 4.4 - 4.4.2

16.3 Conservative

Videos

Fundamental Theorem of Line Integrals

Closed curve line integrals of conservative vector fields

Conservative Vector Fields

Fundamental theorem of line integrals

Reading

Lecture notes 4.7

16.4 Surface Integral Scalar

Videos

Parameterized Surfaces

Area of a Parameterized Surface

Surface Integrals

Surface Integrals 2

Surface Integral triangular region

Reading

Lecture notes 4.4

16.5 Surface Integral Vector

Videos

Surface Integral of Vector Field

Surface Integral of Vector Field 2

Surface Integral Using Polar Coordinates

Reading

Lecture notes 4.5

17.1 Green

Videos

Green's Theorem

Green's Theorem 2

Green's Theorem to find Area Enclosed by Curve

Area using Line Integrals

Reading

Lecture notes 4.3.5 up to Example 4.3.7

17.3 Divergence 2D (vector form of Green)

Videos

Flux Form of Green's Theorem

Flux of a 2D Vector Field Using Green's Theorem

Flux of a 2D Vector Field Using Green's Theorem (Parabola)

Flux of a 2D Vector Field Using Green's Theorem (Hole)

Reading

Lecture notes Theorem 4.3.8 - Section 4.3.6

17.2 Stokes

Videos

Stokes’ Theorem 1

Stokes’ Theorem 2

Stokes’ theorem intuition

Stokes’ Theorem

Reading

Lecture notes Theorem 4.6.3 - Example 4.6.4

17.3 Divergence 3D

Videos

Divergence Theorem 1

Divergence Theorem 1

Divergence Theorem to Evaluate Flux Integral (Spherical Coordinates)

3D divergence theorem intuition

Flux and the divergence theorem

Divergence Theorem explanation

Reading

Lecture notes Theorem 4.6.5 - Example 4.6.6

Final exam