Referring to the method I proposed for Problem with ParametricPlot Mathematica 10.0.2 throws an enigmatic error message:

Plot[Sinc[x], {x, 0, 5}, Method -> {MaxBend -> 1}]

MaxBend::deprec: MaxBend->1 is deprecated and will not be supported in future versions of the Wolfram Language. Use Method->{MaxBend->1} instead.

I don't know if this message is entirely a mistake or if it is really trying to tell me that there is a different form I should be using now. Is this same message generated by 10.1.0? Is there a known different form for MaxBend?

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    $\begingroup$ It's probably not a bug, but a bug $\endgroup$ Apr 15, 2015 at 16:23
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    $\begingroup$ I see it in 10.1 on Win8.1. $\endgroup$ Apr 15, 2015 at 16:45
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    $\begingroup$ Does the alternative Method -> {Refinement -> {ControlValue -> (* radian angle *) }} still work, tho? $\endgroup$ May 13, 2015 at 0:08
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    $\begingroup$ Personally, I've always assumed it's a typo, that MaxBend is in fact deprecated, and the message was supposed to point the user to Method -> {Refinement -> {ControlValue -> (*radian angle*) }}. I was hoping someone from WRI would comment on your question, though, to clarify. Have you reported it to WRI? $\endgroup$
    – Michael E2
    Jul 5, 2015 at 18:45
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    $\begingroup$ It still works without any message for ContourPlot as used in this answer. $\endgroup$
    – Karsten7
    Jul 5, 2015 at 19:00

1 Answer 1


Earlier invalid assertion redacted.

Some spelunking reveals that the innermost (accessible) plot function called is:


And using this function directly also produces the message:

Visualization`Core`Plot[Sinc[x], {x, 0, 10}, Method -> {"MaxBend" -> 1}]

MaxBend::deprec: MaxBend->7 is deprecated and will not be supported in future versions of the Wolfram Language. Use Method->{MaxBend->7} instead.

I have failed in my attempts to trace the origin of the problem further but I may try again later.

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    $\begingroup$ Note that tr2 = With[{gr = 1/GoldenRatio}, Trace[{AspectRatio -> gr, Axes -> True, AxesOrigin -> {0, 0}, Method -> {"MaxBend" -> 1}, PlotRange -> {{0, 10}, {-0.21723357397428536, 0.999999999999993}}, PlotRangeClipping -> True, PlotRangePadding -> {Scaled[0.02], Scaled[0.02]}}]]; tr2 === Query[35, 1][tr] returns True. How do you deduce that "MaxBend" is being duplicated? It seems to me that the multiple instances could be the result of the evaluation chain. I note that some things are not evaluated to very bottom of the expression tree, so I might be wrong. Definitely confused. $\endgroup$
    – Michael E2
    Jul 10, 2015 at 0:29
  • $\begingroup$ @MichaelE2 Facepalm -- no, I think you're quite right and I'm crazy. Trying too hard! $\endgroup$
    – Mr.Wizard
    Jul 10, 2015 at 0:31

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