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I am forced to use plain TeX instead of LaTeX and I don't know what is the proper way to type argmin with some variable under it.

I know

$$ \min_b. $$ 

And I would like to do someething similar, but with argmin instead of min.

Sadly

$$ \argmin $$

doesn't exist :(

Please, does anyone have the knowladge how to do this?

Thanks in advance!

Erhan

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up vote 4 down vote accepted

Define it just like \min is defined:

\def\argmin{\mathop{\rm argmin}}
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Thanks a lot! It worked like a charm :) – Erhan Apr 14 '14 at 8:34

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