lorenz

matlab平台上实现函数y=sinx的逼近程序，构造bp算法实现（输出层采用y=x线性函数，隐含层采用非对称Sigmoid函数）(matlab platform function y = sinx approximation procedures, construction bp algorithm (output layer using linear function y = x, hidden layer use of non-symmetrical Sigmoid function))

Binary tree example in C++

电力网络的牛顿拉夫逊法潮流计算程序，方便移植、修改。(Newton Raphson power flow calculation procedure of the electricity network, to facilitate transplantation, modify.)

latex的模板，适用于各种学术论文的排版，简单易用，可操作性强。(latex template for a variety of publishing academic papers, easy to use, easy to operate.)

利用bp和ga网络对未来值进行预测，对输入数据进行归一化处理。(Use bp neural network to predict the future value of the input data normalization.)

说明：  求系统传递函数表达式， 添加栅格(Find the system transfer function expression)

只要检测到反电势过零点就可以得到转子的位置信号，就可以实现无刷直流电机的无位置传感器控制。(As long as the position of the rotor is detected by detecting the zero-crossing of the back-EM potential, the position sensorless control of the brushless DC motor can be realized.)

将得到的Matlab中的数据转换为vizster可用的XML格式。其中，vizster是网络领域一个很好的布局程序(Convert Matlab data to vizster data format。vizster is a good network graph visual tools)

设计一个数字滤波器，在频率低于 的范围内，低通幅度特性为常数，并且不低于0.75dB。在频率 和 之间，阻带衰减至少为20dB。 (1)试求满足这些条件的最低阶Butterworth滤波器。(Design a digital filter, in the range of frequencies below the low-pass amplitude characteristic is constant, and not less than 0.75dB. Between the frequency and stop-band attenuation of at least 20dB. (1) Determine the lowest-order Butterworth filter to meet these conditions.)

refprop是一款用matlab调用的制冷剂物性查询软件，这里用matlab调用。( refprop is the refrigerant physical properties of the query software, a call using matlab using matlab call. )