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Matrix Scalar Multiplication Basics

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Goes over the very basics of scalar multiplication of matrices.

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Page 1: Matrix Scalar Multiplication Basics
Page 2: Matrix Scalar Multiplication Basics

To multiply a matrix by a number, simply multiply each element of that matrix by that number.

219

2412

73

843

3 * 4 = 12

3 * 8 = 24

3 * 3 = 9

3 * 7 = 21

Page 3: Matrix Scalar Multiplication Basics

Problem #1: Multiply the matrix below:

Check your answer at the end of the presentation.

?21

342

Page 4: Matrix Scalar Multiplication Basics

Problem #2: Multiply the matrix below:

Check your answer at the end of the presentation.

?45

323

Page 5: Matrix Scalar Multiplication Basics

Problem #3: Multiply the matrix below:

Check your answer at the end of the presentation.

?97

6410

Page 6: Matrix Scalar Multiplication Basics

Answer to Problem #1

42

68

Page 7: Matrix Scalar Multiplication Basics

Answer to Problem #2

1215

96

Page 8: Matrix Scalar Multiplication Basics

Answer to Problem #3

9070

6040

Page 9: Matrix Scalar Multiplication Basics