The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.
本文用样条有限元法,分析反称角铺设层合板的自由振动问题.
The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.
本文用样条有限元法,分析反称角铺设层合板的自由振动问题.
Some properties of adjoint matrix are discussed. The properties are symmetry, antisymmetry, positive definite, positive semi-definite, orthogonal and characteristic value.
摘要伴随矩阵在称、反称、、、交、相似和特徵值等方面的性质。
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