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Is there any macro or package known to shade equations in math mode like the image below?

enter image description here

I achieved this by using IguanaTex 1.54 in PowerPoint 2010, and then shade the text box as usual. I could use snipping tool and take snips of the formulae from PowerPoint, but I would like to make this by LaTeX directly, if possible. Is there any way to do it?

  • @HenriMenke It doesn't seem to be straightforward to extrapolate from the dupe solution (which creates shadows for text in tikzpicture environment) to displayed equations? – Troy Oct 4 '17 at 3:01
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This looks more like I'm drunk...

\startMPpage
for i = 0 upto 50:
  numeric n; n := i*.005;
  draw outlinetext.b
    ("$f:\mathbb{R}^+ \to \mathbb{R}; f(x) = \log_a x,$")
    (withcolor n[white,black])
    (withcolor n[white,black] withpen pencircle scaled (2*(1pt-n)))
    shifted (.2pt,-.4pt);
endfor;
draw outlinetext.b
  ("$f:\mathbb{R}^+ \to \mathbb{R}; f(x) = \log_a x,$")
  (withcolor black)
  (withcolor black);
\stopMPpage

enter image description here

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