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.
当特征根难以求出而特征根的对称式易求时，半正定矩阵的算术平方根可直接由矩阵的本身的性质来表示。
To the inverse problem of the system of linear algebraic equations, tiauthor gives a symmetric matrix solution and the expression of its general solution.
本文给出线性代数方程组反问题的对称矩阵解，及其通解表达式。
In this paper, the author gives a kind of expression of symplectic matrices by using the result that any matrix on a field is a product of two symmetric matrices.
通过运用在域上任何矩阵都是两个对称矩阵乘积的结论，给出了一种辛矩阵的表示方法。
Symmetric ternary systems and symmetric ternary logic are introduced from the research on the expression of negative Numbers.
本文从负数表示的研究引入对称三进制系统与对称三值逻辑。
We have discussed the spontaneous magnetic field in a spherically symmetric laser plasma. The expression for the spontaneous magnetic field due to TE wave is derived.
本文讨论了球对称激光等离子体中的自生磁场，导出了由TE波引起的自生磁场的表示式。
In this paper, the author gives the vector expression of the symmetric figure for a point, a straight line and a plane, and its application.
本文给出了点、直线、平面相互间对称图形的向量表达式及其应用。
The circular symmetric point and the apalanatic point of spherical lens have one same expression, however the two kinds conjugate point are belong to difference category.
圆周的对称点与球透镜的齐明点虽然有一个相同的表达式，但这两类不同范畴的共轭点有着内在的差异，分析这种差异，有利于更好地理解它们。
The least-squares solutions of inverse problems of a class of skew-symmetric matrices is discussed, and the expression of the solution is obtained.
讨论了一类次对称矩阵反问题的最小二乘解，得到了解的具体表达式；
The least-squares solutions of inverse problems of a class of skew-symmetric matrices is discussed, and the expression of the solution is obtained.
讨论了一类次对称矩阵反问题的最小二乘解，得到了解的具体表达式；
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