PowerFlow

基于ABAQUS的hashin和Tong-Norrius准则的umat子程序(Umat subroutine based on the Hashin and Tong-Norrius guidelines of ABAQUS)

一个利用共轭梯度法的正则化实例： 通过输入矩阵的维数，利用共轭梯度法的原理，进行正则化计算；Morozov偏差原理(A conjugate gradient method using the regularization Example: Enter the dimensions of the matrix, using the principle of conjugate gradient method for regularization calculation)

增广拉格朗日乘子方法求解RPCA问题的方法，得到矩阵的稀疏成分和低秩成分。(argumented lagrange multiplier method that can make matrix be decomposed to a sparse matrix and low-rank matrix.)

ANSYS中关于车桥耦合的接触法命令流，车辆模型为二分之一车(About the vehicle.the contact method in ANSYS command stream, with half vehicle model car)

说明：  ARIMA的R语言实现。这是一份关于使用R统计软件进行时间序列分析的入门文档(This is a start-up document about time series analysis using R statistics software.)

计算流体力学;高精度7阶二维weno格式;矢通量分裂方法(Vector flux splitting in 7 order two dimensional WENO scheme)

汽车课设货车Matlab驱动力图程序，分析了该信号的时域、频域、倒谱，循环谱等,光纤陀螺输出误差的allan方差分析。( Car class-based truck driver trying to Matlab program, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. allan FOG output error variance analysis.)

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)

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)

说明：  siPLS和biPLS是两种用于近红外光谱特征波段筛选的变量选择方法，可筛选出与兴关注指标密切相关的特征波段，并去除无关和干扰变量，提高模型稳健性(Bipls and sipls are two variable selection methods for screening the characteristic intervals of near-infrared spectra, which are closely related to performance indicators, to improve the robustness of models.)