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I have included a code to generate 3d model of DEM in Matlab. It also has the DEM data.

说明：  用模拟退火算法解决tsp问题，适合初学者(With the simulated annealing algorithm to solve the problem tsp )

matlab 关于光学方面的仿真，几何光学，波动光学等函数(simulation matlab optics, geometrical optics, wave optics, and other functions)

车间调度用该程序模拟，这是软件在实际问题中的应用体现，展示了软件的广泛应用性 (Shop scheduling simulation with the program, which is the software application in practical problems in the embodiment, showing the extensive application of the software)

MATLAB初学者很好的学习材料，讲解了最基本也是最重要的matlab知识。(A good learning material for matlab learners.)

在MATLAB平台下，如何画三维极坐标图。 源码以及说明(3D-polar plot function in matlab but it is not included in MATLAB HELP)

本程序是LM方法实现的主程序，并且本程序通过了LMFnlsq2test.rar程序的测试，证明了程序的正确性和有效性。顺便说下，上面的LMFnlsq2test.rar里面的程序是一个测试程序，它的描述写错了。(This LM method is the main program, the program and the program passed LMFnlsq2test. Rar program test, proves the correctness and effectiveness of the program.. By the way, the above LMFnlsq2test rar program is a test program, a description of the write it wrong.)

人型辯識(內附測試圖)以及註解，請依各人需求去改(Human-type identification (with test pattern), and comments, please go to change according to individual needs)

针对目前应用比较广泛的基于准循环矩阵构造的QC-LDPC(准循环LDPC)码的各种构造方法,分析比较了随机构造LDPC和各种准循环LDPC编码方法的优缺点,通过理论分析和MATLAB中的性能仿真,提出的相应的优化方案(Broader view of the present application of quasi-circulant matrices based QC-LDPC (quasi-cyclic LDPC) codes for the various construction methods, structural analysis and comparison of the random LDPC and various quasi-cyclic LDPC coding advantages and disadvantages, through theoretical analysis and MATLAB The performance simulation, optimization scheme proposed by the corresponding)

利用分步傅里叶法求解光纤中脉冲传输的非线性薛定谔方程。(Solves the NLS equation with the split-step method.)