alleryMatch triangulars: 1. Upper: p. Below 0 2. Lower: q. Above 0 3. Diag: r. Off-diag 0
A1-p, 2-q, 3-r
B1-p, 2-r, 3-q
C1-q, 2-p, 3-r
D1-r, 2-p, 3-q
Answer & Solution
Correct answer: A. 1-p, 2-q, 3-r
Upper triangular matrices have zero entries below the main diagonal, lower triangular have zeros above, and diagonal matrices have zeros off-diagonal.
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