I would like to express a second derivative with two dots above the variable. You can do this with a first derivative by saying:

f[x_] := OverDot[x];
Print[HoldForm[f[x]], " == ", f[x]]

Is there a possible syntax to do this with the second derivative?


2 Answers 2

g[x_] := Overscript[x, ".."]
Print[HoldForm[g[x]], " == ", g[x]]

You could use AdjustmentBox to tweak the two dots, but maybe this is not necessary.

  • $\begingroup$ Awesome, this works just how I want it to. -- Thanks $\endgroup$
    – Napthali
    Commented Jan 28, 2012 at 21:27

You may also find utility in this:

Format[f''[x_]] := Overscript[x, ".."]


See the documentation for Format for more information.


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