| 一类稀疏矩阵的撕裂法 |
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| 引用本文： | 陈果良.一类稀疏矩阵的撕裂法[J].上海师范大学学报(自然科学版),1986(4). |
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| 作者姓名： | 陈果良 |
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| 作者单位： | 华东师范大学数学系 |
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| 摘 要： | 对于大稀疏矩阵,在计算中保持矩阵的稀疏性是很重要的。本文提出用撕裂法把一个非本性标准形的稀疏矩阵化为拟标准形,从而使矩阵在约化过程中产生的添补数比原矩阵少。本文还通过实例表明作者提出撕裂法比Steward1]和4]提出的方法更有效。
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| 关 键 词： | 稀疏矩阵 撕裂法 添补数(填入) 本性标准形 拟标准形 |
Method of Tearing for a Class of Sparse Matrice |
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| CHEN GUOLIANG.Method of Tearing for a Class of Sparse Matrice[J].Journal of Shanghai Normal University(Natural Sciences),1986(4). |
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| Authors: | CHEN GUOLIANG |
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| Institution: | CHEN GUOLIANG,Department of Mathematics |
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| Abstract: | For large sparse matrix, it is very important to keep the sparse of matrix in computation. This paper puts forth to change a non-essential standard model into quasi standard model with method of tearing. Thus makes the till in the matrix produces in the reduce process smaller than that of original matrix. Also, illustration shows that our method of tearing is more effective than Steward's method in 1] and 4]. |
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| Keywords: | : sparse matrix method of tearing fill in essential standard model quasi standard model |
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