Linear equations of sparse matrix are solved by Biconjugate Gradients Stabilized Method and nonlinear algebraic equations are solved by parameter-regulated iterative procedures.
稳定化双共轭梯度法用于求解稀疏线性方程组，可调节参数的修正迭代法用于求解非线性代数方程组。
Large sparse system of linear equations are solved by sparse matrix methods.
利用稀疏矩阵技术求解大型稀疏线性方程组。
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