fitqr

对于方程组AX=b，当系数矩阵非奇异时，对原方程进行改写，利用公式X^k=BX^(k+1)+g进行迭代求解。(For equations AX = b, when the coefficient matrix is ​ ​ nonsingular, rewriting the original equation, using the formula X ^ k = BX ^ (k+1)+g for iterative solution.)

线弹性模型，可以对一般的弹性体通过abaqus进行验证使用(Linear elastic model)

C++程序求两点距离 可以点入坐标点(C++ program distance between two points)

面向对象的有限元程序设计 ——空间8结点等参元的分析计算(Object-oriented finite element program design- space 8 node isoparametric element analysis calculation)

AKM低雷诺数湍流模型UDF，适用于FLUENT商业流场分析软件。(AKM low-Reynolds number turbulent model, applied on the FLUENT sorftware.)

使用匈牙利算法来解决指派问题，MATLAB代码(The Hungarian algorithm solves the assignment problem)

一维波动方程TVD格式源程序，空间二阶精度，附带计算结果及说明(One-dimensional wave equation TVD scheme source, space second-order accuracy, with results and instructions)

使用matlab实现智能预测控制算法，分数阶傅里叶变换计算方面,实现了图像的加水印，去噪，加噪声等功能。( Use matlab intelligent predictive control algorithm, Fractional Fourier transform computing, Realize image watermarking, de-noising, plus noise and other functions.)

变步长网格，声波方程，有限差分数值模拟程序，二阶(Variable step mesh, acoustic equation, finite difference numerical simulation program, second order)

T矩阵方法的FORTRAN环境下的程序，希望对大家有帮助！(T matrix method program FORTRAN environment, we want to help!)