▍1. 第一章作业
分别以单精度和双精度数据类型用以下近似算法分别计算π的近似值,要求结果具有4位有效数字(calculate pi with single-precision and double-precision respectively)
汽车七自由度动力学模型的动力学分析和计算。并对其进行计算(The car seven degrees of freedom dynamic model )
采用M语言仿真stribeck的三轴伺服系统,可以在低速情况下观察较强的摩擦现象(With M-language simulation stribeck three-axis servo systems, in the case of low friction phenomena observed strong)
由工况HWFET数据和整车参数来计算整车瞬时需求功率,并绘制出功率需求图。(The instantaneous demand power of the whole vehicle is calculated by the HWFET data and the vehicle parameters, and the power demand map is drawn.)
纤维状多孔材料的D_B吸声模型,用于计算高孔隙率的刚性多孔材料的吸声系数(D_B absorption model fibrous porous material for sound absorption coefficient high porosity rigid porous material)
对大规模的矩阵做高斯消元,适合大规模矩阵求逆!!!!!(Done on a large scale matrix Gaussian elimination, suitable for large-scale matrix inversion! ! ! ! !)
有限差分法的径向滑动轴承求解,可用于求解油膜厚度、油膜压力等(Radial sliding bearings for solving finite difference method can be used to solve the oil film thickness, oil pressure, etc.)
详细全面的蒙特卡洛PPT讲解以及MATLAB算例,帮助大家0基础快速掌握MC的精华所在。(Detailed and comprehensive Monte Carlo PPT to explain and MATLAB example, to help you basically grasp the essence of MC.)
PCA算法程序设计步骤: 1、去均值 2、计算协方差矩阵及其特征值和特征向量 3、计算协方差矩阵的特征值大于阈值的个数 4、降序排列特征值 5、去掉较小的特征值 6、去掉较大的特征值(一般没有这一步) 7、合并选择的特征值 8、选择相应的特征值和特征向量 9、计算白化矩阵 10、提取主分量 (PCA algorithm programming steps: 1 to mean 2, calculation of covariance matrix and its eigenvalues and eigenvectors 3, the calculation of covariance matrix eigenvalues greater than the threshold number of 4, in descending order of eigenvalue 5, remove the smaller eigenvalue 6, remove the larger eigenvalue (usually not this step) 7, the combined choice of eigenvalues 8, select the appropriate eigenvalues and eigenvectors 9, computing whitening matrix 10, principal component extraction)
读取zygo干涉仪中的dat格式数据,并转化为矩阵格式(Reads the dat format data in the Zygo interferometer and transforms it into a matrix format.)
说明: Kim 的非线性有限元分析经典教材,教材很经典,对于静态有限元分析讲的很透彻,书中附有matlab代码(Kim's nonlinear finite element analysis classic textbook, the textbook is very classic, for static finite element analysis is very thorough, the book with matlab code)
ARM 用于数学建模的时间序列 预测问题 (ARM used for mathematical modeling time series prediction problem )
实现高斯厄米特积分,可以直接更换f函数,得到所求的积分(High the Sie Mitt integral to replace the f function, ask the integral )
33节点基于前推回代法的含分布式电源配电网的潮流计算程序,其中含支路阻抗的原始数据。(33 nodes with distributed power distribution network procedures, the former push back method, with branch impedance of the original data.)
说明: 多阶段物流配送问题GA解法,用于物流配送中心选址问题的解决(logistics center location)