A square matrix B = [b(i,j)] is said to be a diagonal matrix if its all non-diagonal elements are:
A square matrix B = [b(i,j)] is said to be a diagonal matrix if its all non-diagonal elements are:
- A. 1
- B. 0
- C. Equal to each other
- D. Negative
Answer: B) 0
Explanation: In a diagonal matrix, all elements off the principal diagonal must be zero. That is, b(i,j) = 0 for i ≠ j.
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