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说明：  easy PBC插件，可以自动添加周期性边界条件，python开源代码(Easy PBC plug-in, can automatically add periodic boundary conditions, python open source code)

方程计算器 一元一次，一元二次，二元一次皆可，自动报错。 (One dollar equation calculator, a quadratic, binary one can be, automatic error.)

无线手柄PS2库函数版本的代码，可以在串口上有输出(PS2 JOYSTICK function in stm32f407)

说明：  利用MATLAB实现基于fft的低通滤波器(the fiter using fft by MATLAB)

说明：  这是EMD-LSTM的代码，曾尝试运行，但是出错，希望有兴趣的同学可以继续研究，相互交流~(This is the code of emd-lstm, tried to run, but error, hope interested students can continue to study, mutual communication ~)

双向有源桥dab matlab仿真，闭环可调(DAB matlab simulation of bidirectional active bridge)

说明：  训练卷积神经网络进行视网膜血管分割的数据集，DRIVE，训练集40张，RGB图像。分为原始图和专家手工分割的ground truth。(The data set, DRIVE, 40 pieces of training set and RGB images were trained by convolutional neural network for retinal vascular segmentation. It is divided into original drawing and ground truth manually segmented by experts.)

三角分解法亦称因子分解法，由消元法演变而来的解线性方程组的一类方法。设方程组的矩阵形式为Ax=b，三角分解法就是将系数矩阵A分解为一个下三角矩阵L和一个上三角矩阵U之积：A=LU，然后依次解两个三角形方程组Ly=b和Ux=y，而得到原方程组的解，例如，杜利特尔分解法、乔莱斯基分解法等就是三角分解法(The triangular decomposition method, also called factor decomposition method, is a kind of method of solving the linear equation group by the evolution of the elimination method. A form of matrix equations Ax=b, triangular decomposition is the coefficient matrix A is decomposed into a lower triangular matrix and an upper triangular matrix L U product: A=LU, followed by the solution of two triangular equations Ly=b and Ux=y, and get the original equations, for example, Doolittle method, Jo Lessky decomposition is a triangular decomposition method)

一个简单的贪吃蛇，希望多初学者有点帮助，就用了for循环写的(A simple snake, hope to beginners a little help, the program only used for the cycle to write)

PHP动态流输出下载，比常规下无安全，上传后自动HASH后保存！-Dynamic stream output download, no security than conventional next!