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lsqr-fortran
- 是针对大规模的线性方程组，及最小二乘问题的迭代求解方法。改方法可减少内存占有量，再数学上与共轭梯度法等价。-A method of solving large sparse linear systems and linear least squares,which can save memory and equivant to the CG method in the view of pure mathematics.
CG_PLUS
- 利用共轭梯度法（CG+）求解大规模无约束最优化问题，代码所用语言为Fortran77.-The use of conjugate gradient method (CG+) to solve large-scale unconstrained optimization problems, the code language for Fortran77.
double
- 线性方程组迭代解法,包括SOR，CG ，BICG等-linear system iteration solver
cg-solver
- conjugate gradient solver fortran iterative solver
CG
- 利用共轭梯度法求解实数的线性代数方程组（fortran），计算速度快。-solve an equation using CG