PROgrams-of-materials

脉动风速功率谱估计,并与标准风谱进行对比(Power spectrum estimation of pulsating wind speed and comparison with standard wind spectrum)

非线性算法合集，包括牛顿拉夫逊法，Broyden拟牛顿法，弧长法，割线法。每种算法都包含有线性搜索迭代改进。(Nonlinear algorithm collection, including Newton Raphson, Broyden quasi-Newton method, arc-length method, secant method. Each contains a linear search algorithms for iterative improvement.)

用平面波展开法计算二维声子晶体带隙,可直接计算得到多重分形谱,计算互信息非常有用的一组程序。( Computation Method D phononic bandgap plane wave, It can be directly calculated multi-fractal spectrum, Mutual information is useful to calculate a set of procedures.)

用来画多输入多输出系统的格式带，输入是矩阵形式(draw gershgorin)

mpi 版本mstm 程序用于计算非球形粒子散射问题(MSTM, MPI version)

本程序求相关性K值大小，采用傅里叶矩阵和haar矩阵内积。(The procedures for seeking the size of the K value of the correlation, the use of the Fourier matrix and haar matrix of inner product.)

说明：  基于力密度法的索杆张力结构找形程序，压缩包力有算例(power density method based on the structure of cable-form-finding procedures, compressed power is counting cases)

求解激波管问题等产生的偏微分方程组的各种数值算法。(Shock tube problem solving, such as partial differential equations arising from a variety of numerical algorithm.)

用來計算帶通濾波器相關參數，可以看出響應圖(Band-pass filter is used to calculate the relevant parameters can be seen in Fig response)

谐波检测的RELAX算法，优于FFT,能够对幅值，频率，相位进行有效估计(an algorithm for estimation of sinusoid parameter)