diedaixuexi

使用拉格朗日乘子法解约束优化问题，例子是最优化问题，有3个线性约束(Using the Lagrange multiplier method to solve the constrained optimization problem)

计算非线性系统的分叉图和李雅普诺夫指数，用于判断系统的混沌状态，独立的两个文件(a tool to calculate bifurcation and Lyapunov exponent)

声子晶体能带结构计算程序，对初学者帮助很大，希望能帮助需要的人(People phononic band structure calculation program for beginners great help, hoping to help needed)

协同克里格matlab实现,包括普通克里格,变差函数和交叉变差函数的实现,三维图显示机及其协同区域化( Cokriging matlab realize, including the realization of ordinary kriging, and cross variogram variogram, three-dimensional diagram shows the machine and its Coregionalization)

ABAQUS中各种不同本构的内聚力单元fortran用户子程序(ABAQUS in a variety of constitutive cohesive unit fortran user subroutines)

ISAAC采用多块网格技术求解二维或三维的Euler或者NS方程，并且提供了大量的湍流模型供使用，为相关研究人员提供了很好的参考。(ISAAC solves 2D or 3D Euler or NS equatioon based on a multiblock grid technique, also lots of turbulence models is included in the code. ISAAC provides a good reference for relative researches.)

说明：  基于模拟退火的粒子群算法，模拟退火算法在搜索过程中具有该概率突跳的能力，能够有效地避免搜索过程陷入局部极小解。(Based on simulated annealing particle swarm optimization, simulated annealing algorithm in the search process has a sudden jump in the probability of the capacity, which can effectively avoid the search process into a local minimum solution.)

牛顿迭代法，用于求解非线性方程，具体使用方法见程序内部说明。(Newton iteration for solving nonlinear equations, the specific use of the procedure see the internal note.)

matlab编写的流体计算和传热程序(很不错的哦)(matlab prepared and heat transfer fluid calculation procedures)

基于蒙特卡罗算法的电力系统风险评估研究_李彦生。利用蒙特卡洛抽样和潮流计算方法计算电力系统可靠性(Based on the Monte Carlo algorithm for power system risk assessment studies _ Li Yansheng. Monte Carlo sampling and flow calculation method of the calculation of the power system reliability)