Welcome to the Fall 2011 MA237 course webpage!

 

Syllabus

 

Announcements

 

The Exam 2 Review will be posted on Tuesday, October 18th.

The solutions are now posted.

Exam 2 will cover material from Chapter 4 but not Chapter 5.

 

For matrix operations, you can use Wolfram Alpha, the USA Engineering Equation Solver, or Octave.

 

 

Tentative Schedule and Study Problems

 

 

 

Date

Schedule and links

Homework

August 22nd

Syllabus

Introduction to Linear Algebra

…native understanding of independence

Read Ch 1: 1.1 – 1.4

August 24th

Ch 1: N-tuples in Rn

Ch 1: 41acd,42acd,45,46,48

August 26th

We’ll work on a problem like #1.48.

Ch 1.7: Complex Numbers

Ch 1: 66, 70, 72

August 29th

Quiz on a problem like 1.48.

Complex Numbers Continued

Ch 1: 68 (added)

August 31st

Quiz on Complex Numbers

Ch 2: Matrices

Ch 2: 38, 41ab, 47iii, 50

September 2nd

Quiz on Properties of Matrix Addition

Ch 2: Matrix Multiplication

Ch 2: 39, 41cd, 47iv, 54, 56

September 5th

Labor Day Holiday

 

September 7th

Ch 3: Linear Systems

 

Ch 3: Solving Linear Systems:

Overview

Back Substitution Method

Ch 3: 49, 50, 51, 52, 21

Solving Linear Systems:

September 9th

Pivoting Method

Augmented Matrix Method

Handy Definitions

Ch 3: 56a using back substitution

      and neatly solve 53abc

-          using back substitution

-          using pivoting w/o matrices

-          using augmented matrices

September 12th

Quiz like 53

Ch 3: Dimension of the Solution

Ch 3: 54 (for these,

consider the rank and the dimension of the solution set)

September 14th

board solution of 56 a

Ch 3: Developing Virtuosity (RREF)

Ch 3: 62 – do each one 3 times

September 16th

Quiz like 62

Ch 3: Parametric Solutions

 

Ch 3: 24a, 57a

September 19th 

Ch 3: Applications

Exam I Review

Practice Exam

Solutions

September 21st

Exam I

No homework.

September 23rd

Review Exam 1

Generalizing Linear Combinations

Ch 4: 4,7,14,83, 84

September 26th

Homework Solutions (4.14, 4.84)

Ch 4: Definition of a Vector Space

Ch 4: 2, 3, 73

September 28th

Ch 4: Deducing Corollary Properties (Proofs I)

revisit

Ch 4: 2, 3, 73

(Solutions so far…)

September 30th

Quiz on a Proof (Proofs I)

Ch 4: Proving that a set is (or isn’t)

a vector space (Proofs II)

Also see Paul’s notes.

Ch 4: 72, 74

October 3rd

FALL BREAK

FALL BREAK

October 5th

Ch 4: Linear Dependence

Read 4.7!

Ch 4: 17, 19, 89, 90, 91a, 92

October 7th

Ch 4: Subspaces and Spans

Ch 4: 13, 14, 24, 25, 26

October 10th

Ch 4: Finding A Basis

Practice Quiz 7

Study page 127 and 128.

Ch 4: 30,31,107,108,109,110

October 12th

Quiz 7 on Finding the Basis

of the Span of a Given Set of Vectors

Ch 4: Finding a Basis, Continued

 

October 14th

Ch 4: Solutions Sets (Homogeneous Systems and the  Translation Theorem)

Ch 4: 99, 102, 103

October 17th

Ch 4: Coordinates, Mini-Review (slns)

Ch 4: 128, 129, 130, 131

October 19th

Ch 5: General Transformations

Ch 5: 1-5

October 21st

Ch 5: Linear Transformations

Ch 5: 49,50,51

October 24th

Exam II Review (solutions)

 

October 26th

Exam II

No homework.

October 28th

Review Exam II (solutions )and Definition of Linear Transformation

Ch 5: 49,50,51

Extra Practice for Quiz:

Ch 5: 9, 10, 11

October 31st

Quiz 8 (Slns)

on Whether a Function is Linear

Ch 6: Matrix Representation of a Linear Transformation

Ch 6: 1a, 37a, 40, 42a, 45, 62

November 2nd

Ch 6: Common Linear Transformations

(Worksheet)

 

November 4th

Ch 6: Common Linear Transformations Continued

(Octave Code)

 

to run this, for example type:

M=[1 .5; -.5 1]

apply_transformation(M)

 

 

Ch 6: 7, 39

November 7th

Quiz 9 on Common Linear Transformations

Revisiting Proving a Function is Linear

Ch 5: 49,50,51

Extra Practice for Quiz:

Ch 5: 9, 10, 11

November 9th

Retake Quiz 8 (Slns)

on Whether a Function is Linear

Ch 5: Kernel and Image of Linear Mappings

Ch 5: 16, 61, 62, 63, 19, 64

November 11th

Ch 6: Change of Bases 

Homework

November 14th

Ch 6: Application: Matrix Representation of Differential Operators

Ch 6: 8, 43

November 16th

Ch 8: Determinants

Intro, Method of Cofactors

Ch 8: 1, 2, 6, 39, 40ab, 44, 46

November 18th

Quiz 10: Method of Cofactors

Ch 8: Determinants

Method of Row Reduction

(worksheet)

Ch 8: 40--43

(using row reduction)

November 21st

Ch 8: Determinants

Properties of Determinants

 

November 23rd

Thanksgiving

Thanksgiving

November 25th

Thanksgiving

Thanksgiving

November 28th

Ch 9: Eigenvalues and Eigenvectors

Ch 9: 45, 46a, 48

November 30th

Practice Quiz 11

 

December 2nd

Quiz 11: Deriving the Characteristic Polynomial and Finding Eigenvectors

Ch 9: Diagonalization

Ch 9: 45, 46, 48

December 5th

(Exam III Review) (Solutions)

Exam III (Solutions)

 

December 7th

Final Review  (Solutions)

 

December 14th

Final Exam