Sparse-matrix-algorithm-

含约束的优化问题求解案例，算法简单，求解很方便实用(Constrained optimization problem solving case, the algorithm is simple, easy to solve, practical)

计算多项流的好程序，简单好用，计算量小。可以较好的模拟二维的两项变化情况(Calculating a number of streams of the program, easy to use, small amount of calculation. Can better simulate the two-dimensional variation)

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.)

考虑直齿轮热弹耦合，计算啮合刚度及齿轮摩擦热(To thermoelastic coupling calculation consider spur gear meshing stiffness and gear frictional heat)

实现矩阵转置并且方便观看，第二个程序用于进行对海表面高度SSH进行EOF分析，第三个程序进行海陆点分离并写为NC文件(Matrix transpose and convenient to watch the second program for the EOF analysis of sea surface height SSH third program separation of land and sea, and write for NC files)

风机动量叶素理论设计中迭代计算风机叶片弦长与扭角(Fan momentum blade element theory design iteration fan blade chord and twist angle)

PMV，的热舒适指标计算程序VB编码，可供参考(PMV, thermal comfort index calculation program VB code, for reference)

三相潮流计算，使用的是牛顿拉弗逊方法。迭代较快。是解决潮流的较有效的方法。(Three-phase power flow calculation, using Newton' s method Laffer Johnson. Iterate rapidly. The trend is to solve the more effective method.)

C语言实现多项式的最小二乘拟合，可用于在区间上对函数进行拟合(C language polynomial least squares fitting, can be used to fit the function on the interval)

基于自适应在线遗传算法整定的PID控制,每个采样时间分别对PD参数进行整定(based on adaptive online genetic algorithm tuning PID control, sampling each time the PD parameters tuning)