[OS X TeX] AMS-LaTeX question

Martin Berggren martin.berggren at cs.umu.se
Mon May 28 16:16:54 EDT 2012

On May 28, 2012, at 22:04 , Michael Sharpe wrote:

> I think this can be improved a bit by adding an invisible \vrule before \smash[b]:
> \begin{align*}
> &= \frac{A} { \left( k - m \omega_{0}^{2} \right)^{2} + c^{2} \omega_{0}^{2} } \sqrt{ \left[ \left( k - m \omega_{0}^{2} \right) \left( m \omega_{0}^{2} + k - m \omega_{0}^{2} \right) + c^{2} \omega_{0}^{2} \right]^{2} + \left( m c \omega_{0}^{3} \right)^{2} }
> \\
> &= \frac{A} { \left( k - m \omega_{0}^{2} \right)^{2} + c^{2} \omega_{0}^{2} }\sqrt{\vrule width 0pt depth 5pt\smash[b]{\underbrace{ \left[ k \left( k - m \omega_{0}^{2} \right) + c^{2} \omega_{0}^{2} \right]^{2} + \left( m c \omega_{0}^{3} \right)^{2} }_Q}} .
> \end{align*}
> The difference in Computer Modern math at 11pt is small, but can be quite noticeable at some other sizes and with other math fonts. Like other extensible math objects, there is a discrete collection of available sizes that will not produce the same results in all cases.

Nice, adding a small depth certainly improves the appearance!

Martin Berggren
Department of Computing Science, Umeå Universitet
Campustorget 5, S-901 87 Umeå, Sweden. Ph: +46-70-732 8111
http://www.cs.umu.se/~martinb, Martin.Berggren at cs.umu.se

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