Facing problem with using manipulate along with Plot. Below is the function call where I have only one parameter to change, hence plot is not allowing. Searched for various options but not able to achieve manipulation

curve = Manipulate[ParametricPlot[abc[b, n, 0, t], {t, 0.7, 1.2},PlotStyle -> 
{Thick}], {{t, 0, "max"}, 0, 1}]; 

Need to manipulate as per t value. Not able to get the correct syntax.

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    – user9660
    Feb 16, 2016 at 6:33
  • $\begingroup$ Will do so :) can you help me in this $\endgroup$
    – maximus
    Feb 16, 2016 at 6:34
  • $\begingroup$ Have a look here Initial Values and Labels $\endgroup$
    – user9660
    Feb 16, 2016 at 6:42
  • 1
    $\begingroup$ Including the definition of abc would be nice… $\endgroup$ Feb 16, 2016 at 6:46
  • $\begingroup$ Have you seen Manipulating multiple parameters in a ParametricPlot? $\endgroup$
    – user9660
    Feb 16, 2016 at 6:49

1 Answer 1


You can't manipulate the t of your plot function.

Try this

curve = Manipulate[ParametricPlot[abc[b, n, 0, t], {t, tStart, tStart + tPlus}, 
PlotStyle -> {Thick}], {{tStart, 0.7, "start"}, 0, 
1}, {{tPlus, 0.5, "plus"}, 0, 1}];
  • $\begingroup$ throws error as ParametricPlot::plld: "Endpoints for t in {t,FEtStart$$2779,FEtStart$$2779+FEtPlus$$2779} must have distinct machine-precision numerical values. "` $\endgroup$
    – maximus
    Feb 16, 2016 at 7:17
  • $\begingroup$ Yes, you shold not try to use an exact zero. Try the edited one, where the starting values aren't zero. $\endgroup$
    – Phab
    Feb 16, 2016 at 7:51
  • 4
    $\begingroup$ $MachineEpsilon is handy for that sort of thing. $\endgroup$ Feb 16, 2016 at 8:40

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