yinshigaosi_method

根据张北气象数据，算得当地大型光伏发电系统的输出功率已经镜面温度(According to Zhangbei meteorological data, the mirror temperature of output power of local large-scale photovoltaic power generation system is calculated.)

有限元n维实体材料单元，仅供科研用途，拒绝商业使用(N-dimensional finite element solid material element, for scientific purposes, refusing commercial use)

ADI method for solving PDE equations

研究生动力学课程，计算多体动力学课程， 学习起来有点难度，如果有兴趣就看看吧(Graduate dynamics course)

说明：  粒子滤波算法的时间分析程序，matlab实现(Particle filter time analysis program, matlab achieve)

矩阵排序，按照行排序。 例如 矩阵[ 1 2 3 4 5 4 1 3 2 1 3 5 6 9 7]排序后为： [ 1 2 3 4 5 3 5 6 9 7 4 1 3 2 1] (matrix row sort )

根据传热理论, 建立了大功率发光二极管的有限元模型. 选择了4 种键合材料( 高导热导电 银胶、纳米银焊膏, 大功率芯片键合胶、Sn70Pb30) , 4 种基板材料( Al2O3、A lN、A-l SiC、铜钼合金) . 采用ANSYS 有限元热分析软件进行了温度场仿真, 得到了大功率发光二极管封装材料的最优选 择. 研究了基板厚度、芯片输出功率及外接热沉时对发光二极管结温的影响.(Heat transfer theory, the finite element model of the high-power light-emitting diode. Choose four kinds of bonding material (high thermal conductive silver glue, nano-silver paste, high-power chip bonding glue Sn70Pb30) substrate material ( Al2O3, A lN, Al SiC, copper molybdenum alloy). temperature field simulation using ANSYS finite element thermal analysis software, the optimal choice of high-power light-emitting diode packaging materials. substrate thickness, chip output power and external heat Shen light-emitting diode junction temperature.)

计算流体力学入门第九章代码 simple 算法(the code for the problem introduced in the book computational fluid dynamics chapter 9 simple algorithm)

说明：  LM莱文博格马夸特优化算法，python语言(this is a file of LM algorithm which was wroten by python language)

最佳平方逼近数值分析算法程序，matalab编程运算(numerical analysis of best square approximation)