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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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The Magic of Matrices Week 1 – Matrix Multiplication Jason Gross and Ruth Byers
What are matrices? A matrix is a two-dimensionalrectangular grid of numbers. Example Matrices:
What are matrices? A matrix is a two-dimensionalrectangular grid of numbers. Things which are not matrices:
Matrix Addition Addition is done element-wise. For example,
Matrix Multiplication Multiplication is not done element-wise.
Matrix Multiplication Multiplication is not done element-wise.
Matrix Multiplication Examples on the board