The paper gives a number of methods for differentiating half positive definite quadratic form and some relevant properties in respect to half positive definite corresponding coefficient matrix.
本文给出的半正定二次型的若干判别方法及半正定对应系数矩阵的一些相关性质。
Magnetic powder was dispersed in castor oil according to the definite weight percentage, and the magnetic properties were measured with Germany 1.033 Ferrograph.
按确定的重量百分比把磁粉分散在不易挥发的蓖麻油里，使用西德生产的1.033型铁磁仪测量其磁性能。
Deep rock is located in definite geological environment. Therefore, the conditions of temperature and pressure have especially important influence on the mechanical properties.
深部岩石处在一定的地质环境之中，其中温度和压力条件对岩石力学性质具有重要的影响。
To in this paper, the definition of complex generalized positive definite matrix is given, its fundamental properties are studied, and its equivalent characteristics are established.
当引入广义正定复矩阵这个概念之后，也应该讨论它相应的性质与结构，这对丰富矩阵论的内容无疑是有意义的。
These properties are similar to properties of positive semi-definite matrices and positive definite matrices.
这些性质类似于通常的半正定矩阵及正定矩阵的性质。
In this paper, we give a general spectral resolution of real matrix and some properties eigenvalue of a general positive definite real matrix.
给出实矩阵的广义谱分解式，讨论广义正定实矩阵的特征根的一些性质。
In this paper, we discuss properties of positive definite complex matrix, and the relation between it and the Hermite positive definite matrix.
本文给出了全正定矩阵的概念，讨论了全对称实矩阵是全正定矩阵的几个充分必要条件。
In this paper, we discuss properties of positive definite complex matrix, and the relation between it and the Hermite positive definite matrix.
本文给出了全正定矩阵的概念，讨论了全对称实矩阵是全正定矩阵的几个充分必要条件。
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