中文说明：此文件内包含多个Hopfield神经网络算法的实例应用，有离散型的也有连续型，既可以用作学习，也可以直接修改之后用于实际案例，而且简单易懂，初学者也适用。
English Description：
This file contains a number of examples of Hopfield neural network algorithm applications, there are discrete and continuous, can be used for learning, can also be directly modified for the actual case, and easy to understand, beginners are also applicable.