Project ForgeEngineering Mathematics
Linear Algebra
GATE 2016
Easy
A real square matrix A is called skew-symmetric if
- AA^T = A
- BA^T = A^-1
- A^T = -A
- DA^T = A + A^-1
Explanation
A matrix is skew-symmetric when its transpose equals its own negative: A^T = -A. (Symmetric matrices instead satisfy A^T = A.)
Source: GATE ME 2016 Set-3 (2016)
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