％ Function to use Potential Field Method for robot Motion, to avoid ％ Obstactles ％ Inputs : User enter number of obstacles ％ User defines obstacles and start and goal point, by clicking mouse ％ Output: Obstacle free path plotted ％ Vid

％ Function to use Potential Field Method for robot Motion, to avoid ％ Obstactles ％ Inputs : User enter number of obstacles ％ User defines obstacles and start and goal point, by clicking mouse ％ Output: Obstacle free path plotted ％ Vid

用位温、地转参数等气象学变量计算湿位涡场-Moist potential vorticity field is calculated using the potential temperature, to turn the variable parameters Meteorology

等量异号点电荷的电场线和等势线ruhequhua -Electric field line and equal potential line of the same number of different point charges