1.Some properties of adjoint matrix are discussed. The properties are symmetry, antisymmetry, positive definite, positive semi-definite, orthogonal and characteristic value.
摘要讨论了伴随矩阵在、、正定、半正定、正交、相似和特徵值等方面的性质。
2.The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.