alleryWhen does a square matrix A qualify as a symmetric matrix?
AWhen A = -A
BWhen A = A^2
CWhen A = A^T
DWhen A = A^-1
Answer & Solution
Correct answer: C. When A = A^T
Square matrices equal to their own transpose are symmetric matrices.
Keep practising Arrays in Java (Single and Double Dimensional)
Browse all Arrays in Java (Single and Double Dimensional) questions for ICSE Class 10, or explore more Computer Applications topics.
Related questions
Match compact math:
1. Tri: p. Half matrix
2. Deg 2: q. Quadratic
3. Form: r. PolynomialMatch multi order:
1. Row: p. Last index
2. Col: q. First index
3. Dims: r. High rankMatch ring algebra:
1. Ring: p. Noncomm
2. Square: q. N by N
3. Order: r. DimensionMatch zero offset:
1. Base: p. Origin
2. Min: q. Zero based
3. Tuple: r. Multi dimMatch Iliffe costs:
1. Dual: p. 2 indices
2. Fetch: q. Row fetch
3. Jagged: r. VaryingMatch pure diag:
1. Diag: p. Off-diag 0
2. Unit: q. Diag 1s
3. Main: r. i equals jMatch mult cache:
1. Mat A: p. Row major
2. Mat B: q. Col major
3. Prod: r. Optimal GCMatch bit strides:
1. Power 2: p. Fast
2. Coeff: q. Stride c
3. Shift: r. Bit step