test_my_polyfit

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.)

利用labiew主程序实现单片机与主机的串口通信，实现温度的采集，然后通过比例积分算法的控制，输出一定占空比的波形驱动电机，实现恒温水箱的控制系统(MCU and host serial communication labiew main program, to achieve the acquisition of temperature, and then through the control of the proportional integral algorithm, the output of a certain duty cycle waveform drive motor, constant temperature water tank control system)

FFT快速傅里叶变换 采用基4 fft实现的c语言版(FFT Fast Fourier Transform implemented using the base 4 fft c language version)

说明：  运用数组，指针，通过最简单的c语言完成矩阵的转置计算。(Using array, pointer, through the simplest c language to complete the matrix transpose calculation)

DOA估计：最大熵算法、最小模算法、最小方差算法。输入： 快拍数据协方差矩阵R，观察范围内各方向导向矢量，三维矩阵phiyz。输出：最小方差谱估计矩阵P。(DOA Estimation: maximum entropy algorithm, the minimum norm algorithm, the minimum variance algorithm. Input: snapshot of the data covariance matrix R, the steering vector of each direction in the observed range of three-dimensional matrix phiyz. Output: the minimum variance spectral estimation matrix P.)

牛顿迭代，雅克比,求解非线性方程组 数值分析 MATLAB相结合(Jacobi NEWTON)

这个Matlab的m代码解决了薛定谔方程，沿着带宽频率和相位偏移，显示三维图像。(The Matlab m-code to solve the Schrodinger equation along the bandwidth of the frequency and phase offset, showing three-dimensional image.)

简单的滤波代码，包含高通滤波，低通滤波，带通滤波和带阻滤波。( U7B80 u5E5 u6E4 u6E4 u6E1 u6E1 u6E2 U5E26 u963B u6EE4 u6CE2 u3002)

程序提示用户输入两个数,然后它将输出这两个数字的和、差、积、商、以及余数，分十进制和十六进制两种格式 (The program prompts the user to enter two numbers, then it will be the output of these two numbers and difference, product, quotient, and the remainder, and decimal and hexadecimal two formats)

11节点的潮流计算程序，导纳矩阵已经给定(calculation of power flow with 11 nodes)