The time step and frame rate was not set correctly. It is done.  
It will be better if you can provide a jpg/gif file which show direction for B,x,y (lower left corner)
Then, I will replace it.

Click the eye (image) to display the simulation
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/htdocs/ntnujava/ejsuser/2/users/ntnu/fkh/changeGaussianField8_pkg/changeGaussianField8.propertiesFull screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(1073.8kB):double click downloaded file to run it. (2 times by 1 users) , Download EJS source View EJS source
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