I want to plot a parabola and use therefore the following code:


But I get this wrong function plotted. I can't find my mistake. What is wrong?enter image description here

1 Answer 1


You're missing a multiplication symbol; you need:

%                                 ^

enter image description here

  • Thank you! Very simple solution but it worked :)
    – black
    Nov 14, 2016 at 17:44

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