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说明：  index siudin sistim ujian dinas

说明：  Matlab数值微分法汇总:MidPoint 中点公式求取导数 ThreePoint 三点法求函数的导数 FivePoint 五点法求函数的导数 DiffBSample 三次样条法求函数的导数 SmartDF 自适应法求函数的导数 CISimpson 辛普森数值微分法法求函数的导数 Richason 理查森外推算法求函数的导数 ThreePoint2 三点法求函数的二阶导数 FourPoint2 四点法求函数的二阶导数 FivePoint2 五点法求函数的二阶导数 Diff2BSample 三次样条法求函数的二阶导数(Summary of numerical differentiation in Matlab)

模拟电路课后答案，可能要3个同时使用才能完全解压缩-Analog circuit after-school answer, you may want to use three at the same time to be fully extract

在matlab的条件下，开发BP网络的优化方法，对边坡的安全系数进行分析-In matlab under the conditions of the development of BP network optimization method, the slope factor of safety analysis

说明：  This is a MATLAB code of Combination operation.

连锁专卖店系统，powerbuilder，很不错的。可以参考使用，供学习使用-Chain store system, powerbuilder, very good. Can refer to the use for learning to use

这是一个用VC编译的小游戏程序，希望各位同学老师多多指导-This is a translation of VC small Games, I hope many teachers guide students

how to custom exceptions

说明：  柔性直流输电技术是比传统直流输电更先进的直流输电技术。所以除了拥有传统高压直流输电技术即可以控制有功功率又可以控制无功功率、输电距离基本不受限制、直流输电比交流输电更稳定、实现异步系统互联和减轻环境影响的优点，柔性直流输电还具备许多自身特有的优点。(Flexible HVDC transmission technology is more advanced than traditional HVDC transmission technology. Therefore, in addition to the advantages of traditional HVDC technology, such as active power control and reactive power control, almost unlimited transmission distance, more stable HVDC than ac transmission, asynchronous system interconnection and environmental impact reduction, flexible HVDC also has many unique advantages.)

用godunov方法求解黎曼精确解，帮助理解黎曼问题，了解计算流体力学(Solving Riemann exact solution by Godunov method.Help to understand Riemann problem and computational fluid dynamics.)