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I am using the ubcdiss.cls document format for my thesis from https://github.com/briandealwis/ubcdiss

Unfortunately, it automatically causes vectors to render as bold rather than with an over-arrow.

I have tried looking for a redefinition for the \vec command in the associated files, but could not find one.

Are there any packages that may be changing the Latex default?

Alternatively, how can I force Latex to return to its default behaviour for the \vec command?

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  • Please post a minimal, but complete code which reproduces the problem. B.t.w., the esvect package defines much nicer vector arrows than the standard \vec (it uses a \vv command instead).
    – Bernard
    Jun 10, 2019 at 21:33
  • If I download a ZIP file of the linked GitHub site and add $\vec{x}$ just after \begin{document}, I get the standard arrow over the x.
    – egreg
    Jun 10, 2019 at 22:46
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    @egreg Interesting. Maybe it is something else I have in the file. Anyway, \renewcommand worked. Jun 11, 2019 at 2:47
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    @Bernard I will look into the esvect package for future documents; I hadn't realised before \vec stopped working that there was a better way. Thanks. Jun 11, 2019 at 2:49
  • Thank you all for your help! Jun 11, 2019 at 2:50

1 Answer 1

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You can restore the default definition of \vec using

\renewcommand*\vec{\mathaccent"017E\relax}
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    I do think that the bold notation is generally preferable, though.
    – schtandard
    Jun 10, 2019 at 21:27
  • Do you know the \vv command from esvect?
    – Bernard
    Jun 10, 2019 at 21:34
  • @Bernard I didn't. The reason why I dislike the arrow notation is not solved by that package, though. I just think that the real estate above a symbol is far to valuable just for "btw. this symbol denotes a vector"; there is a multitude of notations that also use this space (e.g. \tilde, \bar, \hat) that don't mix well with an arrow.
    – schtandard
    Jun 10, 2019 at 22:45
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    Thank you! That \renewcommand worked when I put it just after \begin{document}. I am incorporating a paper into the text that uses a bold font to represent matrices and an over-arrow to represent vectors, so having them both in bold was confusing in places. Jun 11, 2019 at 2:45
  • Or use \let\vec=\vv. I prefer the arrow vector for physics and the bold vector for matrices. Jun 11, 2019 at 13:58

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