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