...对称正定矩阵;广义正定矩阵;多项式矩阵。 [gap=747]Keywords The solution of AX = b; The anti-issue of AX = b; Symmetric positive matrix; Generalized positive matrix; Multinomial matrix.
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Positive definite symmetric matrix 正定对称矩阵
Symmetric and positive semidefinite matrix 对称且正半肯定矩阵
symmetric positive semidefinite matrix 对称正半定矩阵 ; 对称矩阵
symmetric and positive matrix 对称正定矩阵
symmetric positive definition matrix 对称正定矩阵
Some equivalent representations of complex positive semi definite matrices are given by using equivalent conditions of positive semi definite of real symmetric matrix.
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。
The method ICCG. is one of the best iterative method for solving the system of linear algebraic equations, but it can only be applied to the symmetric and positive definite coefficient matrix.
IC CG方法是解线性代数方程组较为理想的方法，但它仅适用于具有正定对称的系数阵。
The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the unique symmetric positive semidefinite matrix.
用这个方法修正的刚度矩阵不仅满足特征方程，而且是唯一的对称半正定矩阵。
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