利用模拟电荷法预测线电荷和点电荷产生的电场强度，使用与工程电磁场的数值计算-Charge simulation method using prediction line charge and point charge generated electric field strength, electromagnetic field using the numerical and engineering

模拟电荷法求解棒板间隙的电场强度，7个线电荷，一个点电荷-Charge simulation method for solving the electric field strength rod plate gap, 7 line charge, a point charge

用牛顿法迭代求解泊松方程，以计算PN结的内建电势分布并绘制能带图，进一步模拟空间电荷区宽度-Use Newton method to solve the Poisson equation in order to calculate the PN junction potential distribution and draw energy band diagram . And simulate the space charge region width

C语言编写程序运用模拟电荷法求解常用电场分布。球板系统的电位-C language programming using charge simulation method to solve common field distribution. Potential ball plate system