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Jason Gross and Ruth Byers

The Magic of Matrices. Week 1 – Matrix Multiplication. Jason Gross and Ruth Byers. What are matrices?. A matrix is a two-dimensional rectangular grid of numbers . Example Matrices: . What are matrices?. A matrix is a two-dimensional rectangular grid of numbers .

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Jason Gross and Ruth Byers

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  1. The Magic of Matrices Week 1 – Matrix Multiplication Jason Gross and Ruth Byers

  2. What are matrices? A matrix is a two-dimensionalrectangular grid of numbers. Example Matrices:

  3. What are matrices? A matrix is a two-dimensionalrectangular grid of numbers. Things which are not matrices:

  4. Matrix Addition Addition is done element-wise. For example,

  5. Matrix Multiplication Multiplication is not done element-wise.

  6. Matrix Multiplication Multiplication is not done element-wise.

  7. Matrix Multiplication

  8. Matrix Multiplication

  9. Matrix Multiplication

  10. Matrix Multiplication

  11. Matrix Multiplication

  12. Matrix Multiplication

  13. Matrix Multiplication

  14. Matrix Multiplication

  15. Matrix Multiplication

  16. Matrix Multiplication Examples on the board

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