conjgrad

风机动量叶素理论设计中迭代计算风机叶片弦长与扭角(Fan momentum blade element theory design iteration fan blade chord and twist angle)

利用c语言编写了迭代法解线性方程组的源程序，大大简化了计算量。(Use the C language source code of the iterative method for solving linear equations, which greatly simplify the calculation, suitable for solution of complex equations)

利用labiew主程序实现单片机与主机的串口通信，实现温度的采集，然后通过比例积分算法的控制，输出一定占空比的波形驱动电机，实现恒温水箱的控制系统(MCU and host serial communication labiew main program, to achieve the acquisition of temperature, and then through the control of the proportional integral algorithm, the output of a certain duty cycle waveform drive motor, constant temperature water tank control system)

利用预估矫正方法解分数阶常微分方程，该方法适用于线性和非线性分数阶常微分方程(using PECE method to solve fractional ordinary differential equation)

在第一个图像中的每个描述符，选择它的匹配到第二个图像。(For efficiency in MATLAB, calculating dot multiplication between unit vectors is faster than Euclidean distance. Please note that: The ratio of attention to angle (the cosine of dot product of unit vector) is the approximate value of the ratio of Euclidean distance of small angle.)

曲线的高斯拟合,去除趋势性,对于一般非平稳序列的分析.(Gaussian curve fitting and removal of the trend, and for most non-stationary sequence analysis.)

说明：  Umat Abaqus for plasticity

计算分维的程序，很好用，可根据需要随意调用(Calculate fractal dimension program, easy to use, can feel free to call)

说明：  岩土剑桥本构模型matlab程序，MATLAB Code for Cam-Clay Model(The matlab program of rock soil Cambridge constitutive model,MATLAB Code for Cam-Clay Model)

传播算子DOA估计算法和基于增广矩阵束的L型阵列的二维DOA估计MATLAB程序(Propagator DOA estimation algorithm based on the L-shaped array augmented matrix beam D DOA estimation MATLAB program)