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Course: Precalculus > Unit 7
Lesson 11: Properties of matrix multiplication- Defined matrix operations
- Matrix multiplication dimensions
- Intro to identity matrix
- Intro to identity matrices
- Dimensions of identity matrix
- Is matrix multiplication commutative?
- Associative property of matrix multiplication
- Zero matrix & matrix multiplication
- Properties of matrix multiplication
- Using properties of matrix operations
- Using identity & zero matrices
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Dimensions of identity matrix
Sal explains why the identity matrix is always a square matrix, even though it works with non-square matrices. Created by Sal Khan.
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