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code matlab detect ball

机械优化设计的作业 包括一维搜索方法（二次差值，牛顿法，黄金分割法），以及最速下降法和内点惩罚函数法及等值线图(Optimal Design of mechanical operations, including one-dimensional search method (the second difference, Newton' s law, golden section method), and the steepest descent method and interior point penalty function method and the contour map)

空时码源程序。主要是matlab环境下，生成空时分组码(Space-time code source. Matlab environment is mainly to generate space-time block codes)

说明：  插值和拟合算法实验源代码，希望给大家带来帮助。(Interpolation and the fitting method experimental source code, hope to bring you help. )

这是我在大学的时候老师讲信号检测与估计理论时候的第二章课件，老师讲得很好，一定对大家有帮助(This is my teacher in college, when speaking when the signal detection and estimation theory, the second chapter of courseware, the teacher explained things very well, it will surely help us)

说明：  一种9/7整数小波变换，已通过仿真验证，可供初学者借鉴学习(A 9/7 wavelet transform, has been verified by simulation, for beginners to learn from)

本例用五点差分法求解一个二阶偏微分方程，其间用SOR迭代求解(This example uses a five-point difference method for solving second order partial differential equations, with the SOR iterative solution during)

三电平逆变器正弦SPWM控制策略的仿真研究(Three level inverter with sinusoidal SPWM control strategy simulation)

matlab数字水印 通过这个程序可以给原图象加上水印 但不可以提取！(a watermark sourcecode implemented by MATLAB. By using this program, primary image can be embedded while the watermark cannot be extracted.)

说明：  变阶跃式PID控制matlab程序，同大家一同学习。(Variable step-type PID control matlab procedures, with everyone learning together.)