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I have a complicated function and my computer crashes when I try to plot it using ListPlot from 0 to 30.

So what I want to do is instead of plotting the function from 0 to 30, I cut it into segments, i.e. 0 to 3, 3 to 6, and so on, then I want to combine all these segments.

How do I combine these segments?

Thank you

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  • $\begingroup$ Do you understand why it crashes? $\endgroup$
    – mikado
    Oct 17, 2016 at 5:34
  • $\begingroup$ I think my computer crashes because it ran out of memory $\endgroup$
    – anonymous
    Oct 17, 2016 at 5:40
  • $\begingroup$ This is how to do what you asked. list1 = Table[{x, x^2}, {x,0,3}]; list2 = Table[{x, x^2}, {x,3,6}]; list3 = Table[{x, x^2}, {x,6,9}]; ListPlot[{list1, list2, list3}] but I question whether that will really solve your problem. $\endgroup$
    – Bill
    Oct 17, 2016 at 5:59
  • $\begingroup$ I tried this and it works. Thanks! How do I make the different segments into the same color and linestyle? $\endgroup$
    – anonymous
    Oct 17, 2016 at 6:01
  • $\begingroup$ Study this hint: ListPlot[{list1, list2, list3}, PlotStyle -> Red] $\endgroup$
    – Bill
    Oct 17, 2016 at 6:11

2 Answers 2

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You can use Show with PlotRange->All

plots = Table[ListPlot[Table[{x, Sin[x]}, {x, a, a + 2, 0.1}], 
                       PlotStyle -> Hue[a/10]], {a, 0, 6, 2}]

enter image description here

Show[plots, PlotRange -> All]

enter image description here

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You could also try to build lines from values and then use Show@Graphics[{specifications, lines}, options], which I think gives you more control. Table[ ] would also let you use a larger step so you do not run into memory issues. For example line1=Line@Table[{z,function[z]}, {z, min, max, step}] plt1=Show@Graphics[{ Dashing[.02], Black, line1 },Axes->True]

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