基于MATLAB进行标准化降水指数SPI计算程序 spi

很好的东西，关于用卡尔曼算法做对消算法的...(Good things Kalman algorithm cancellation algorithm ...)

生成指定两个数值间的多个随机数，随机数的个数用户自己输入，结果放在动态数组中(produce random)

ABAQUSYONG UMAT 描述热力耦合子程序(ABAQUSYONG UMAT subroutine describe thermal coupling)

求边界层方程的相似解法，使用四阶四级经典龙格库塔方法推进，适用于平板边界层，绕楔形体边界层流动等(Seeking boundary layer equations similar solution, using fourth-order Runge-Kutta method to promote four classic for boundary layer around the wedge boundary layer flow, etc.)

2D ADI FDTD code.采用不同的三对角矩阵解法(2D ADI FDTD code. Using different tridiagonal matrix method)

说明：  matlab产生高斯白噪与阈值信号处理（heursure、rigrsure、sqtwolog、minimaxi阈值信号处理等）(Gaussian white noise generated by MATLAB and threshold signal processing)

计算多项流的好程序，简单好用，计算量小。可以较好的模拟二维的两项变化情况(Calculating a number of streams of the program, easy to use, small amount of calculation. Can better simulate the two-dimensional variation)

万有引力单目标优化算法，用于单目标线性规划问题(Universal gravitation single objective optimization algorithm is used for single target linear programming problem.)

二维Euler方程的Jameson求解方法(Jameson solution of two-dimensional Euler equations)

说明：  资源共享两阶段dea模型matlab实现(Two stage DEA model of resource sharing based on MATLAB)