gemini-2.2

this is a book and its source code

基于动态规划的梯级水库联合优化调度，有详细注释(Joint optimal operation of cascade reservoirs based on dynamic programming, there are detailed notes)

这里给出了一个基本——万能的套用公式，对于所有的需要进行有理式近似的，当然是基于matlab编程实现！(matlab for polynomial translation,here the code can guide to computing lots of news methods for the polynomial approximating!)

an example c++ source code on how template is used

Spectral Methods using Matlab

设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.(Design a IIR digital low-pass filter, approaching a group of analog filters indicator parameters (pass-band cut-off frequency Wp = 2* pi* 2000rad/s, stop-band edge frequency Ws = 2* pi* 3000rad/s, pass-band ripple Rp = 3db, stop-band attenuation Rs = 15db, the sampling frequency f = 10000Hz) were used to change the impulse response method and bilinear transformation method for design, list and describe the transfer function of analog and digital filter amplitude-frequency and phase-frequency response curve. A filter was designed with the completion of the above-mentioned groups of a given signal filtering, to prove the effectiveness of filters and filter limit)

脉冲响应的相关分析算法并检验，从先验概率中采样，计算权重，小波包分析提取振动信号中的特征频率。( Related impulse response analysis algorithm and inspection, Sampling a priori probability, calculate the weight, Wavelet packet analysis to extract vibration signal characteristic frequency.)

DPD设计的硕士论文，相当的不错！值得收藏！(DPD design master thesis, is pretty good! Worth collecting!)

对EMD分解方法每一步的结果展示，包括求包络线、取平均值、减平均值后再求包络线，最后得IMF分量(EMD decomposition results for each step of the show, including seeking envelope, averaged, and then find the average value minus the envelope, and finally get IMF component)

finite difference time domain 3d code PML BC