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Discrete Structures III
Discrete Structures III
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Discrete Structures III
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1. Systems of Linear Equations
2. Operations with Matrices
3. The Inverse of a Matrix
4. Determinants
5. Vector Spaces
Row-reduce it
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Programming 1
Programming 2
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Unit 3 · Module 2 · Exam 1 · §2.3
The Inverse of a Matrix
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1
Invertible or singular
2
The 2 × 2 formula
3
Gauss-Jordan for A⁻¹
4
Properties of inverses
5
Solving Ax = b with A⁻¹
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Writing a program…