病态系统的蛙跳算法，计算量小。首先将非齐次方程的输入量u(t)增广为状态变量，化为齐次方程组。输入量通常为典型输入。-The morbid system leapfrog algorithm to calculate the amount. First, enter the amount of the non-homogeneous equation u (t) is augmented as state variables, Homogeneous equations. The input a

Tikhonov正则化工具箱，可实现病态方程组的正则化，以及采用L曲线法、岭估计法、GCV法等确定正则化参数，内含使用方法，亲测有效。-Tikhonov regularization toolbox, which can realize regularization in morbid equations, and using the L curve method, ridge estimation, GCV method to determine the regularization para

病态线性方程组的一些求解算法，包括传统的CG，CGLS，CGNR，LSQR和较新的OVM算法，它们都是一些迭代算法。(Some solving algorithms for ill conditioned linear equations include conventional CG, CGLS, CGNR, LSQR, and newer OVM algorithms, all of which are iterative algorithms.)