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2 天
MATLAB有限差分法求拉普拉斯
2、 在本例中,NUMGRID用于L形区域内的数字点分布,而SPY函数则能清晰展现矩阵中非零元素的分布情况,是一种直观有效的可视化工具。
2 天
MATLAB稀疏矩阵图形表示
32、 对于对称正定矩阵S,函数p=symmd (S)返回一个置换向量p,使得S经p重排后的矩阵S (p,p)的Cholesky分解结果比原矩阵更稀疏。
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