FEMprogram

用四阶龙格库塔法计算Lorenz混沌系统的时间序列(The time series of Lorenz chaotic system of fixed step size fourth-order Runge-Kutta method algorithm source code.)

Finding special triples of the form (n, n + 1, n + 2) Write a program that finds all triples of consecutive positive three-digit integers each of which is the sum of two squares, that is, all triples of the form (n, n + 1, n + 2) such that: • n, n+1 and n+2 are integers at least equal to 100 and at most equal to 999 • eachofn,n+1andn+2isoftheforma2+b2.(Finding special triples of the form (n, n+ 1, n+ 2) Write a program that finds all triples of consecutive positive three-digit integers each of which is the sum of two squares, that is, all triples of the form (n, n+ 1, n+ 2) such that: • n, n+1 and n+2 are integers at least equal to 100 and at most equal to 999 • eachofn,n+1andn+2isoftheforma2+b2.)

vc++实现的矩阵运算方面得代码，很不错的，内容绝对好吃(matrix operations, code vc++ achieve very good, the content is absolutely delicious)

电磁传播损耗的计算方法，模拟电磁波在大气中的传播路径(A propagation path of the electromagnetic propagation loss calculation method and the simulation of electromagnetic wave in the atmosphere)

21位水仙花数的寻找，里面用到了大数乘法等细节上的东西。(find the 21 digits narcissus.)

这是求解线性规划问题的revised simplex method的算法，需要得知原始的基和基本解(This is the revised simplex method for linear programming problem. It needs the initial basis and basic solution for input.)

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)

实现构建矩阵，矩阵的相加，相减，清零，以及转置，还有相乘的功能。(To build matrix, the matrix addition, subtraction, reset, and transposed, and the function of the multiplication. )

matlab计算的自适应阈值分隔，非常好用，适用于初学者(matlab adaptive threshold calculation separated, very useful for beginners)

己知一些离散的点，使用matlab利用最小二乘法拟合(Had a number of discrete points, with linear least squares fitting)