MA 305 Lecture 3 Transparencies

Thursday, January 20, 2000

Slide 1

Zero Coefficients.
Gaussian Elimination.
(Audio part 1, 10:30)

Lecture 2, slide 1

Slide 2

Bachward Substitution.
Coefficient Matrix.
Augmented Matrix.
(Audio part 1, 22:30)

Lecture 2, slide 2

Slide 3

Elementary Row Operations.
Matrix example.
(Audio part 1, 30:00)

Lecture 2, slide 3

Slide 4

Matrix example continued.
(Audio part 1, 35:45)

Lecture 2, slide 4

Slide 5

Directions for Gaussian Elimination.
(Audio part 2, 2:30)

Lecture 2, slide 5

Slide 6

Row Echelon Form. Example.
(Audio part 2, 5:30)

Lecture 2, slide 6

Slide 7

Example continued.
(Audio part 2, 16:30)

Lecture 2, slide 7

Slide 8

Inconsistant example.
Free variables.
Dependent variables.
(Audio part 2, 22:30)

Lecture 2, slide 8