What software can plot non-trivial functions?
December 4, 2009 2:22 AM Subscribe
What software can I use to plot functions? Excel and matplotlib seem to only plot data points. gnuplot plots simple functions but not the generalized harmonic number, which I need, e.g., H(n,1.5). It would be great if this software can also plot inverse functions, e.g. x=f(y) on a normal x-y axis to overlay on a normal y=f(x) plot.
Have you tried wolfram alpha? Will probably cost you less than mathematica..
posted by 3mendo at 3:16 AM on December 4, 2009
posted by 3mendo at 3:16 AM on December 4, 2009
Actually 3mendo is right. Wolfram Alpha should do this.
posted by dfriedman at 3:19 AM on December 4, 2009
posted by dfriedman at 3:19 AM on December 4, 2009
Sage, R, and SciLab are all free OSS packages that should handle this, but check out appropriate software package's used by Sage, as their native documentation might proove more relevant.
posted by jeffburdges at 4:05 AM on December 4, 2009
posted by jeffburdges at 4:05 AM on December 4, 2009
If you use or have access to a Mac, Grapher might meet your needs. It's included with OS X.
posted by telegraph at 4:43 AM on December 4, 2009
posted by telegraph at 4:43 AM on December 4, 2009
Wolfram Alpha's output
i wish i had a clue what this is, but it sure look pretty.
posted by 3mendo at 4:58 AM on December 4, 2009 [2 favorites]
i wish i had a clue what this is, but it sure look pretty.
posted by 3mendo at 4:58 AM on December 4, 2009 [2 favorites]
The 'curve' function in R plots functions (I discovered it this morning).
posted by a womble is an active kind of sloth at 6:09 AM on December 4, 2009
posted by a womble is an active kind of sloth at 6:09 AM on December 4, 2009
Matlab does plot (essentially continuous) functions: e.g., ezplot.
posted by sentient at 11:44 AM on December 4, 2009
posted by sentient at 11:44 AM on December 4, 2009
Response by poster: Thanks everyone. I was looking into graphing applications and it did not occur to me to try the math applications.
I was able to do this using Mathematica. Wolfram Alpha seemed good but I could not get it to plot 2 expressions on one chart.
posted by tasty at 7:38 PM on December 5, 2009
I was able to do this using Mathematica. Wolfram Alpha seemed good but I could not get it to plot 2 expressions on one chart.
posted by tasty at 7:38 PM on December 5, 2009
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posted by tmcw at 2:36 AM on December 4, 2009