...；矩阵秩不变性；矩阵秩不等式；矩阵秩恒等式； 线性方程组；零特征值代数重数；齐次线性方程组 [gap=475]Keyword: matrix rank; invariance of matrix rank; rank of matrix inequalities; rank of matrix equal i..
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提出的基于矩阵秩的特性适合于预处理方法。
A new method is proposed which is based on matrix rank's feature and is suitable to preprocessing.
导致最终成本动因个数小于系数矩阵秩的合并必然损失产品作业成本的精确性。
The accuracy of the product activity cost will certainly decrease in the combination after which the amount of the final cost drivers is smaller than the rank of the coefficient matrix.
得到了根据插值函数来计算刚度矩阵秩的计算公式，并对几种降阶积分单元进行了验算。
A formula based on the interpolation for the rank of the element stiffness matrix is presented, and some reduced integration elements are examined.
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