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Understanding Matrix Operations: Dimensions, Addition, Subtraction, and Scalar Multiplication

Learn about matrices, their dimensions, and how to perform addition, subtraction, and scalar multiplication of matrices. Practice exercises included.

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Understanding Matrix Operations: Dimensions, Addition, Subtraction, and Scalar Multiplication

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  1. Chapter 4 Introduction to Matrices

  2. Dimensions of a Matrix ROW ELEMENT COLUMN The dimensions are stated as row by column and written R X C

  3. Adding Matrices Find A + B if and 2 X 2 2 X 2 *You can only add two matrices if they have the same dimensions.

  4. Subtracting Matrices and Find A – B if 2 X 2 2 X 2

  5. Scalar Multiplication Find 3A if

  6. Let’s Combine the Operations! If and find 4A – 2B

  7. Tonight’s Homework: Page 156 (11-15 odd) Page 164 (15-29 odd)

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