EEHMT0

说明：  利用pid算法控制电机转速，转速可调，数码管显示，初学者实用(Using PID algorithm to control motor speed, adjustable speed, digital display, beginners practical)

用无网格法计算VAN DE POL 振子(calculate van de pol oscillator by using meshless method)

基于前推回代法的电力系统潮流计算程序。 需要输入支路阻抗和节点功率矩阵。包括支路号、首节点号、尾节点号、支路自阻抗、尾节点给定功率。 输出各节点的电压幅值、相角和各支路电流。(Power flow calculation program based on the forward and backward substitution method. Need input the branch impedance node power matrix. Including branch number, node number, the tail node number, branch self-impedance tail node given power. The output node voltage amplitude, phase angle and current of each branch.)

插值法： （1）拉格朗日插值 （2）牛顿插值 （3）分段线性插值 （4）Hermite 插值 （5）样条插值(Interpolation method: (1) Lagrange Interpolation (2) Newton interpolation (3) piecewise linear interpolation (4) Hermite interpolation (5) spline interpolation)

具有等式约束和不等式约束的二次规划问题，的积极集方法（有效集方法）(the active set methods for QP with equality and ineqality constrain)

说明：  在科学与工程计算中，经常遇到求解非线性方程组的问题；非线性方程组在收敛速度及收敛性比线性方程组要差，特别对于非凸的非线性方程组，其求解更是困难。下面简要介绍非线性方程组的三种解法——牛顿法、拟牛顿法、同伦算法，分析三种解法的适用性，并附Matlab原程序。(Scientific and engineering computing, often encounter the problem of solving nonlinear equations speed of convergence of nonlinear equations and linear equations worse than convergence, especially for non-convex nonlinear equations, which is even more difficult to solve . The following briefly describes three solutions to nonlinear equations- Newton method, quasi-Newton method, homotopy method, the applicability of the three solutions, along with Matlab original program.)

说明：  自己编的，实现l-bfgs解无约束优化问题(Own, and the realization of l-bfgs Unconstrained optimization problems)

simca-p偏最小二乘法软件教程....(useful word)

Runge－Kutta45算法与Runge-Kutta54算法的matlab实现 数值分析课程代码(Runge-Kutta 45 algorithm and Runge-Kutta 54 algorithm matlab implementation Numerical Analysis Course Code)

是学习PCA特征提取的很好的学习资料，能量熵的计算，对于初学matlab的同学会有帮助。( Is a good learning materials to learn PCA feature extraction, Energy entropy calculation, Matlab for beginner students will help.)