diagonally dominant matrix
[数] 对角主导矩阵
常用释义
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基本释义
- [数] 对角主导矩阵
例句
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1·In this paper we propose the concept of a weak strictly diagonally dominant matrix given some DE terminate sufficient conditions for generalized strictly diagonally dominant matrices.本文提出了弱严格对角占优矩阵的概念，并由此给出了广义严格对角占优矩阵的若干判定条件。
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2·The calculation methods of diagonally dominant matrix in-situ replacement are researched, including the matrix determinant, the matrix equation unknown and the matrix inversion computation.研究对角占优矩阵原位替换解算方法，包括矩阵行列式、矩阵方程未知数和矩阵逆阵的解算。
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3·In this paper, some sufficient conditions and a necessary condition for a matrix to be a generalized strictly diagonally dominant matrix is given. Some previous results are improved and generalized.本文给出了广义严格对角占优矩阵的若干充分条件和必要条件，从而改进和推广了一些已有的结果。
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4·The estimation on the inverse elements of strictly diagonally dominant tridiagonal matrix is established; in this estimation, the nonnegative condition of matrix elements is moved.利用严格对角占优和三对角矩阵的某些特性，推导出严格对角占优三对角矩阵逆元素的统一估计式。
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5·The concept of local double diagonally matrix is introduced in this paper, and three sufficient conditions of the generalized sub-diagonally dominant matrices are obtained.提出局部次对角占优矩阵的概念，得到了广义次对角占优矩阵的二个充分条件。
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6·Generalized strictly diagonally dominant matrices play an important role in many fields, but it isn't easy to determine a matrix is a generalized strictly diagonally matrix or not.广义严格对角占优矩阵在许多领域中具有重要作用，但其判定是不容易的。