有关计算方的经典算法的C程序，迭代、插值、各类积分公式，常微分方程的数值求解、Gauss列主元消去法-side of the calculation of the classical algorithm C procedures, iterative, interpolation, all integral formula, and often the numerical solution of differential equations. Gauss out PCA elimination

第一类线性代数和线性积分方程的正则化解法 ，包括病态问题的解法，适用于windows和linux-A portable Fortran IV program for the regularized solution of linear algebraic and linear integral equation of the first kind,with options for linear equality and lnequality constraints.