数值分析课件习题部分答案(1)

通过切身休体会，总结了一些关于制作电子期刊的小技巧，供大家方便使用。(Break through personal experience, summed up a number of electronic journals on the production of tips for your convenience.)

pb与FALSH结合的用于美化界面powerbuilder编程环境。-pb FALSH combined with the landscaping for the interface PowerBuilder programming environment.

说明：  基于IAP15W4K58S4，使用串口输出测试GY30(Based on IAP15W4K58S4, GY30 is tested with serial output)

用DELPHI写的发送QQ消息,在D7下可用,有需要的朋友可以参考一下!(Using DELPHI to send QQ messages, available under D7, friends in need can refer to it!)

基于STM32的无人船代码，涉及SI44 32数据传输、PID算法、GY- 273罗盘模块和北斗定位等操作。(STM32 based unmanned ship code, involving Si4432 data transmission, PID algorithm, GY - 273 compass module and Beidou Positioning and other operations.)

在ARM 1752平台亲测可运行的电脑鼠代码，8*8 16*16的迷宫均可跑，冲刺时可完成连续转弯的路径直接斜线切过，其中搜索采用“泛洪搜索”，无论是算法还是程序架构都有值得学习的地方(The labyrinth of 8*8*16*16 can run in the ARM 1752 platform, and the path of continuous turning can be cut diagonally when sprinting. The search adopts "flooding search", which is worth learning both in algorithm and program architecture.)

实现了EEMD分解的头文件，可以对各种波进行降噪。 实现了EEMD分解的头文件，可以对各种波进行降噪。(The head file of EEMD decomposition is realized, which can de-noising all kinds of waves.)

说明：  根据采集的全矩阵数据进行TFM成像，可以有效提高超声相控阵的成像精度(TFM imaging based on the collected full matrix data)

说明：  第三类混合边界条件迭代，自由选择精度，实现多次迭代(The third kind of hybrid boundary condition iteration, free choice accuracy)

说明：  IEEE14节点 实现简单潮流计算（可自己改变数值）(IEEE14 node implements simple power flow calculation (you can change the value by yourself))