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I want to show the "evaluated at" value at the right of a vertical line but I don't know how to place it at the bottom of the line.

$$ \vec{\tau} = \mu {{\partial{\vec{u}} \over \partial{y}}\vline_{y = 0}}. $$

The "y = 0" typesets too high.

Thanks

I am using Version 2.14-svn (2.14) of TeXShop and I can get neither .pdf nor .eps figures to appear in the typeset .pdf document. With

\usepackage{graphics}

the LaTeX code I'm using for the .pdf version is:

\begin{figure}[!ht]
\begin{center}
\includegraphics{./pdf/Figa.pdf}
%\epsfile{file ...