p11_1

最小二乘法回报潮汐水位，根据dooson数回报潮汐，并计算调和常数，余水位，高潮和低潮的数值。(Least squares method returns tide level, tidal according dooson return number, and calculate the harmonic constants, values ​ ​ more than the water level, high tide and low tide.)

说明：  通过MATLAB编程模拟理想弹塑性应力应变曲线(Simulating the stress-strain curve for perfect plasticity by MATLAB coding.)

说明：  对音频信号进行处理。实现变速不变调。变调不变速。男声变女声。内有实例音频文件(The audio signal processing. Adjusted to achieve the same speed. Tone does not shift. Male Female change. There are instances of audio files)

这是一个matlab程序，包括了面波频散计算，及最小二乘反演的导数计算内容。(This is a matlab procedures, including a surface wave dispersion calculation, and calculation of the derivative of least squares inversion content.)

NSGA-II is a popular non-domination based genetic algorithm for multi- objective optimization.

说明：  借助python3计算偏微分方程组，并作出相应图形，代码简单易懂，方便修改(Calculate partial differential equations)

TM极化入射情况，海面上有散射目标，雷达后向散射仿真，基于矩量法MoM和电磁散射理论。(EM scattering)

文件中包括了最优化中的最小费最大流程序以及例子和程序(File included in the most optimal maximum flow procedures and examples of trees and procedures)

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说明：  四级四阶龙格库塔格式，求解微分方程的好算法。(Four fourth-order Runge-Kutta format, a good algorithm for solving differential equations.)