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学习MATLAB数值分析，能够利用MATLAB进行曲线拟合、插值以及解高阶方程等等(Learning MATLAB Numerical Analysis)

MATLAB7.0使用教程，但愿能帮到更多的同学们，顺利通过考试(MATLAB7.0 use the tutorial, I hope to help more students successfully pass the exam)

1、研究BFSK在加性高斯白噪声信道下（无突发干扰）的误码率性能与信噪比之间的关系； 2、研究BFSK在加性高斯白噪声信道下（有突发干扰）的误码率性能与信噪比之间的关系；分析突发干扰的持续时间对误码率性能的影响。 3、研究BFSK+信道编码（取BCH码和汉明码）在加性高斯白噪声信道下（无突发干扰）的误码率性能与信噪比之间的关系；分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。 4、研究BFSK+信道编码（取BCH码和汉明码）在加性高斯白噪声信道下（有突发干扰）的误码率性能与信噪比之间的关系；分析突发干扰的持续时间对误码率性能的影响。分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。 (The relationship between research BFSK in additive white Gaussian noise channel (non-burst interference) bit error rate performance and signal to noise ratio research BFSK in additive white Gaussian noise channel (burst interference The relationship between), bit error rate performance and signal to noise ratio analysis of the duration of the burst interference on the BER performance. The relationship between the 3 the study BFSK+ channel coding (take BCH code and Hamming code) under the additive white Gaussian noise channel (non-burst interference), bit error rate performance and signal to noise ratio analysis of the different rate of bit error rate the impact of the performance. Comparison of different channel coding, coding gain performance. The relationship between the 4 the study BFSK+ channel coding (take BCH code and Hamming code) under the additive white Gaussian noise channel (burst interference), bit error rate performance and signal to noise ratio duration analysis of bu)

根据国标编写的数控机床轴线定位精度和重复定位精度计算程序( a matlab source code to calculate positioning accuracy and re-orientation accuracy )

矩形光栅衍射效率的一般表达式的Matlabf仿真模拟(The general expression of rectangular grating diffraction efficiency Matlabf simulation)

这是一个标准的Elman的程序外加一个利pso算法优化Elman神经网络权值的程序，可以运行出图，简单易懂！(This is a standard procedure plus a profit Elman pso algorithm to optimize Elman neural network weights program, you can run out of maps, easy to understand!)

说明：  常用的插值方法，会应用它们求函数的近似表达式，并应用插值函数求函数在指定点的近似值。 Lagrange插值，Newton插值(Commonly used interpolation methods, the function will apply them to seek the approximate expression, and function evaluation function by using the interpolated approximation of the specified point. Lagrange interpolation, Newton interpolation)

对OFDM系统功率分配贪婪算法的进行了仿真。(Power allocation for OFDM systems greedy algorithm for the simulation.)

说明：  DIFFERENTIAL SEARCH ALGORITHM

this is the code for detection of heart rate