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## 21 Diagonal and Permutation Matrices

• Basic Usage: |  | Creation and Manipulation of Diagonal/Permutation Matrices
• Matrix Algebra: |  | Linear Algebra with Diagonal/Permutation Matrices
• Function Support: |  | Functions That Are Aware of These Matrices
• Example Code: |  | Examples of Usage
• Zeros Treatment: |  | Differences in Treatment of Zero Elements