0-1 symmetric matrix of positive line
anti-bidiagonal symmetric matrix
anti-centro-symmetric matrix
anti-symmetric and orth-anti-symmetric matrix
anti-symmetric orthogonal anti-symmetric matrix
Anti-symmetric ortho-symmetric matrix
centroskew symmetric matrix
centro-symmetric matrix
complex symmetric matrix
D auti-symmetric matrix
Diagonalizaton of a symmetric matrix
generalized anti-hi symmetric matrix
generalized centre-symmetric matrix
Generalized centro-symmetric matrix
generalized skew-symmetric matrix
generalized symmetric matrix
left color symmetric algebra