Simple Function Plotting in Javascript September 15th, 2009
Patrick Stein

graphRather than work more on my FFT Paint program yesterday, I took a break to make a simple function plotter. There are lots of useful Java applets out there that do more than what I’ve done here. And, certainly, gnuplot is much more complete and useful.

On the other hand, if you just want to quickly plot something that you can save as an image, you either have to re-learn gnuplot (every time I use it, I have to sift through the help to figure out how to set up my tics and labels and output size and output filename) or you have to do screen grabs from one of the Java applets.

With the plotter that I wrote yesterday, you click on the Snapshot button, then right-click to save the image or copy it to your clipboard.


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