how to set label as "h bar"

[dagao]

Thanks!

[Carlos Soria]

You can get tau in postscript (enhanced) terminal with {/Symbol t}

And regarding "h bar":

taken from http://www.ucc.ie/gnuplot/gnuplot-faq.html

6.9 What if I need h-bar (Planck's constant)?

There is no predefined variable like pi. However to put h-bar as a character
into the label, you must use the PostScript terminal. You can play around
with constructs like @{/=56 -} {/=24 h} or {/=8 @{/Symbol=24 -} _{/=14 h}}
In the latter, the "-" (a long one in /Symbol) is non-spacing and 24-pt. The
14-pt "h" is offset by an 8-pt space (which is the space preceding the "_")
but smaller, since it's written as a subscript. But these don't look too
much like the hbar we're used to, since the bar is horizontal instead of
sloped. I don't see a way to get that. I tried using an accent (
264 in isoLatin encoding), but I haven't found a way to scale and position
the pieces correctly.

One more possibility would be {/=14 @^{/Symbol=10 -}{/=14 h}}.

(This is a hint by Richard Crawford).

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> Thanks!
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