数值计算算法，包括：

（1）Lagrange插值

（2）Newton 插值

（3）求f(x0)：秦九韶法

（4）求实系数多项式f(z0)。z0为复数（5）二分法求f(x)=0的根

（6）弦截法求f (x)=0的根

（7）求实系数多项式 方程的实根、复根

（8）解线性方程组：Gauss列主元素消去法( 9 )快速弗利叶变换（FFT）

-Numerical algorithms, including: (1) Lagrange interpolation (2) Newton interpolation (3) for f (x0): Qin Jiushao Law (4) realistic coefficient polynomial f (z0). z0 for the plural (5) dichotomy for f (x) = 0 root (6) cut-off method string f (x) = 0 root (7) realistic coefficient of the real roots of polynomial equations, complex root (8) Solution of linear equations: Gauss elimination method out the main elements (9) Fast Fourier transform forli (FFT)