Intro to identity matrices and multiplicative inverses
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Video 1 of 10
Intro to identity matrices and multiplicative inverses
6 min
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Multiplying a 3x3 identity matrix by matrix A
10 min
Computing 2A + 4I₃ using scalar multiplication and matrix addition
5 min
Computing -4B + 2I₂ using scalar multiplication and matrix addition
4 min
Multiplying the 2x2 identity matrix I2 by matrix B
4 min
Multiplying a 4x4 identity matrix by the scalar zero
4 min
Verifying two matrices are multiplicative inverses
5 min
Verifying multiplicative inverses by matrix multiplication
4 min
Testing if two matrices with swapped entries are multiplicative inverses
4 min
Verifying matrices E and F are multiplicative inverses
4 min