• 给定特征对应的特征向量,提出了对称正交对称半正定矩阵特征问题最佳逼近问题。

    From given eigenvalues and eigenvectors, the inverse eigenvalue problem of symmetric ortho-symmetric positive semi-definite matrices and its optimal approximate problem were considered.

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  • 这个方法修正刚度矩阵不仅满足特征方程而且唯一对称正定矩阵

    The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the unique symmetric positive semidefinite matrix.

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  • 当特征难以求出而特征对称式易求时,正定矩阵的算术平方根直接矩阵的本身性质来表示

    On the other hand, square roots of semi-positive matrices can be expressed by the symmetric expression of eigenvalues, if the eigenvalues of semi-matrices are difficult to compute.

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  • 利用对称矩阵正定等价条件给出了矩阵几个等价条件。

    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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  • 这个方法修正刚度矩阵不仅满足特征方程而且唯一的对称半正定矩阵

    The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the …

    youdao

  • 这个方法修正刚度矩阵不仅满足特征方程而且唯一的对称半正定矩阵

    The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the …

    youdao

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