关于电动力学的公式以及应用的证明，希望读者自行证明在看解题思想-On electrodynamics and the application of the proof of the formula, hoping to demonstrate that readers are looking at problem-solving thinking

附件中包含飞思卡尔智能车比赛电磁车源代码，欢迎交流学习。(This rar file contains the electromagnetism car source code in FreeScale challenge.)