本文主要讨论了线性流形上复对称矩阵的最小二乘问题。

This paper mainly discusses the least squares problem of complex symmetric matrices on a linear manifold.

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把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。

The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.

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利用实对称矩阵的半正定之等价条件给出了复正半定矩阵的几个等价条件。

Some equivalent representations of complex positive semi definite matrices are given by using equivalent conditions of positive semi definite of real symmetric matrix.

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