1
March 07, 2012
8.2 Matrices
Objective: Perform basic operations with matrices
Standard: Linear Algebra 4.0 and 5.0
2
March 07, 2012
What's a Matrix?
3
March 07, 2012
Matrix Addition
Ex. 1﴿
4
March 07, 2012
Ex. 2﴿
5
March 07, 2012
Scalar Multiplication
6
March 07, 2012
Ex. 3﴿
7
March 07, 2012
Ex. 4﴿
8
March 07, 2012
Matrix Multiplication
The sum of the products of rows and columns
9
March 07, 2012
Note: The columns in the first matrix must match the rows in the second matrix. Example:
10
March 07, 2012
Ex. 5﴿
11
March 07, 2012
Order Matters!!
12
March 07, 2012
The Identity Matrix
Basically, 1s on the diagonal
13
March 07, 2012
Assignment:
8.2 p. 597#3, 7, 15, 23, 28, 29, 41, 42
Top Related