Thu Nov 12 18:05:33 1998 UY(4x0)((1x2), (1x0)) : Zero-size matrix in MatGetSubMatrix(). Thu Nov 12 20:51:05 1998 (0x0) * y(2x1) : Inconsistent size in MatMul(). y = [ [ 0.00000000E+000 ] [ 1.74532925E-001 ]]; Sun Nov 15 21:27:03 1998 (0x0) * y(2x1) : Inconsistent size in MatMul(). y = [ [ 0.00000000E+000 ] [-3.14159265E+000 ]];