RSSI

说明：  一阶，二阶，三阶，四阶，显式与隐式龙格库塔方程求解常微分方程的matlab代码(Matlab code for solving ordinary differential equations of first, second, third, fourth, explicit and implicit Runge Kutta equations)

说明：  行人群体疏散仿真的社会力模型，可用于做系统仿真(Social force model for pedestrian evacuation)

fsolve函数求非线性方程组数值解，已经验证其正确性。(fsolve function for the numerical solution of nonlinear equations)

利用样本协方差矩阵特征值分解实现双通道SAR动目标检测.pdf(Dual Channels SAR Ground Moving Target Detection with Eigen-decomposition of the Sample Covariance Matrix)

快速傅立叶变换的程序，附有试验用数据，希望对大家有所帮助(Fast Fourier Transform procedure, with test data, and they hope to help everyone)

考虑了静态传递误差，齿轮几何偏心的影响建立3平行轴齿轮啮合动力学模型(Consider the impact of static geometry eccentric transmission error, the establishment of three parallel shaft gear gear dynamics model)

基于热焓法的凝固传热模拟的UFluent-UDF程序(UDF for Modelling Soldification using Enthalpy Porosity Technique)

该损伤模型通过 商用有限元软件ABAQUS /Explicit 的用户子程序VUMAT 实现，并使用该模型对碳纤维增强环氧树脂 复合材料层合板在横向低速冲击作用下的损伤和变形行为进行预测分析． 数值仿真的结果与试验结 果进行了比较，吻合良好，验证了该模型的有效性．(Through coding user subroutine VUMAT of finite element software ABAQUS /explicit， and applied the model to an example，carbon fiber reinforced epoxy composite laminates under low velocity impact，the prediction for damage and deformation were good agreement with the experimental results．)

经典的可编程添加模块的面向对象的有限元程序代码(C++ code for OOFEM based on multi-systems)

数值分析中的高斯——塞德尔迭代算法的的C语言实现(Numerical Analysis of Gauss- Seidel iterative algorithm of the C language)