简化梯度法程序

matlab程序运行时导入数据文件作为输入参数，抑制载波型差分相位调制，wolf 方法计算李雅普诺夫指数。( Import data files as input parameters matlab program is running, Suppressed carrier type differential phase modulation, wolf calculated Lyapunov exponent.)

说明：  银行业务监督系统 pdf文件转jpg，加附件 上传(The PDF file of banking supervision system is transferred to JPG and uploaded with attachments)

设计的计算器应用程序可以完成加法、减法、乘法、除法和开方，次幂运算。且有小数点、正负号、清空、清除以及一定的错误处理等功能。用鼠标单击相应的数字键和运算符号键，然后单击“=”号按钮，窗口上方的文本框将会显示计算出来的结果，要将文本编辑框清空，可单击清空按钮。(Calculator application designed to be completed addition, subtraction, multiplication, division and square root, sub-power computing. And a decimal point, sign, clear, clear, and some error handling functions. Right click the appropriate number keys and operator symbols key, and then click the " =" number button, the window above the text box will be displayed calculated results to a text edit box empty, click the Clear button.)

实现数据结构中的二叉树的创建及先序、中序、后序遍历-data structure to create the binary tree and first sequence, sequence, after the preorder

俄罗斯方块，是新手的作品，大家可以共享来学习下-Tetris is a novice work, we can all share to learn under the

说明：  itext 生成pdf的中文帮助文档，具体有：图片、块（下划线/删除线、上标/下标）、短句、段落等。(Chinese help document of PDF generated by iText,Specifically: pictures, blocks (underline / strikethrough, superscript / subscript), short sentences, paragraphs, etc.)

说明：  数据库系统概念中文版，作为大学的核心课程，本书对于自学的同学非常友好，对于里面的伪代码和习题都建议同学自己去尝试。(The Chinese version of the concept of database system, as the core course of university, is very friendly to the students who teach themselves. For the pseudo-code and exercises in this book, students are advised to try it by themselves.)

说明：  整流桥各次谐波拟合，通过公式推导得出各次谐波公式，与实际进行对比(Each harmonic of the rectifier bridge is fitted, and the formula of each harmonic is derived through the formula, which is compared with the actual situation)

该算法详细描述了概率数据关联的实现过程，适合初学者去学习(The algorithm details the implementation of probability data association, and is suitable for new learner)

PID仿真，通过调节参数可改变输出，加深对pid的理解(PID simulation, through adjusting parameters can change the output, deepen the understanding of PID)