sw_pres

计算方法《牛顿差值》(calculation method, "Newton margin")

对格朗日、分段线性、三次样条插值方法的运用。(Grange, piecewise linear, cubic spline interpolation method to use.)

可以进行平面拟合，基于matlab语言，简单易懂(It can be used for plane fitting. It is simple and easy to understand based on MATLAB language.)

说明：  MATLAB实现自定义的拉格朗日插值和牛顿插值，均包括主调函数和被调用函数，程序简单易懂。(MATLAB realizes the self defined Lagrange interpolation and Newton interpolation, both including the main function and the called function, the program is simple and easy to understand.)

用SSF算法精确的求解了描述超短脉冲在光纤中传输的非线性薛定谔方程，对于光电子光通信的同行较有参考价值。(With the SSF algorithm for solving accurately describing the transmission of ultrashort pulses in optical fiber nonlinear Schrö dinger equation, for optoelectronic and optical communications counterparts more reference value.)

截取地震数据，按道和采样点截取，自动显示截取后的道数和采样点数(failed to translate)

最小二乘法数据处理软件，翻遍计算的程序，应用于各种优化算法(math caculateor)

混沌的判断指标Lyapunov指数计算,与理论分析结果相比，可实现对二维数据的聚类。( Chaos indicator for Lyapunov index calculation, Compared with the results of theoretical analysis, Can realize the two-dimensional data clustering.)

说明：  数值分析实验1.明确插值多项式和分段插值多项式各自的优缺点； 编程实现拉格朗日插值算法，分析实验结果体会高次插值产生的龙格现象；(Experiments of numerical analysis 1. Define the advantages and disadvantages of interpolation polynomials and piecewise interpolation polynomials. The Lagrange interpolation algorithm is programmed, and the Runge phenomenon produced by high-order interpolation is analyzed.)

sphinx4的src部分，包含演示程序(the src part sphinx4 to contains the demonstration programs)