Complex plot wolfram mathematica5/30/2023 Message #8 Posted by cyrille de Brébisson on, 7:40 a.m., There really is no "magic bullet" for graphing. If you'd like to see some graphs that wolfram totally screws up, I've got a nice collection. No reason not to have the behavior dependent on the complex flag. Its probably time to update that I think. NTHROOT (x v/ y) returns the real root, and fractional power will return the principal root instead of the real one. It really gets down to the behavior in the HP math library. I'm guessing the 48 series is also deficient since it does exactly the same thing? :-) Message #7 Posted by Tim Wessman on, 12:28 a.m., I'd rather have no plot than a wrong plot. Regardless I don't feel very confident this plot system is up to the task. if you download the "Xcas Pad" android app and plot the original function above, you get Wolfram's correct plot! The Xcas Pad app is built on xcas. In response to message #5 by Mark Hardman Message #6 Posted by Chris Pem10 on, 9:12 p.m., The lower-right result is somewhat similar to the Complex-valued plot that you get from Wolfram Alpha except the plot is in the wrong quadrant for -3 < x < 0. Message #5 Posted by Mark Hardman on, 5:12 p.m., Found yet another way the Prime graphs this function: Message #4 Posted by Chris Pem10 on, 3:18 p.m., Not sure how to enter that? Do I use tick marks or something? In response to message #2 by Mark Hardman Message #3 Posted by Chris Pem10 on, 3:20 p.m., Message #2 Posted by Mark Hardman on, 2:07 p.m., Re: Plots containing complex numbers bug? Both Prime plots seem to disagree with Mathematica's plot.Įdited:, 2:54 p.m. Same for the second row, just rewrote the expression. The first row shows the Mathematica output, the Prime equation, and Prime output. I've plotted the expression two ways (working horizontally in the figure): I'll try to remember to upload a screen shot when I get storage space on this site. I assume this has something to do with the way the Prime handles exact/inexact arithmatic?īoth Mathematica and a textbook confirm the plot should display values for x < -3 values should be plotted for x < -3 as well. The resulting plot is only partialy shown. Plot the following expression in the Function app: Message #1 Posted by Chris Pem10 on, 1:04 p.m. Plots containing complex numbers bug? The Museum of HP Calculators
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