diff options
Diffstat (limited to 'Master/texmf-doc/doc/english/FAQ-en/html/FAQ-newfunction.html')
-rw-r--r-- | Master/texmf-doc/doc/english/FAQ-en/html/FAQ-newfunction.html | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-newfunction.html b/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-newfunction.html index fcf30d12aba..3e6065fe3b8 100644 --- a/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-newfunction.html +++ b/Master/texmf-doc/doc/english/FAQ-en/html/FAQ-newfunction.html @@ -2,13 +2,13 @@ <title>UK TeX FAQ -- question label newfunction</title> </head><body> <h3>Defining a new log-like function in LaTeX</h3> -<p>Use the <code>\</code><code>mathop</code> command, as in: +<p/>Use the <code>\</code><code>mathop</code> command, as in: <blockquote> <pre> \newcommand{\diag}{\mathop{\mathrm{diag}}} </pre> </blockquote><p> -<p>Subscripts and superscripts on <code>\</code><code>diag</code> will be placed below and +<p/>Subscripts and superscripts on <code>\</code><code>diag</code> will be placed below and above the function name, as they are on <code>\</code><code>lim</code>. If you want your subscripts and superscripts always placed to the right, do: @@ -18,7 +18,7 @@ to the right, do: \newcommand{\diag}{\mathop{\mathrm{diag}}\nolimits} </pre> </blockquote><p> -<p>AMSLaTeX (in its <i>amsopn</i> package, which is automatically +<p/>AMSLaTeX (in its <i>amsopn</i> package, which is automatically loaded by <i>amsmath</i>) provides a command <code>\</code><code>DeclareMathOperator</code> that takes does the same job as the first definition above. To create our original <code>\</code><code>diag</code> command, one would @@ -31,14 +31,25 @@ say: <code>\</code><code>DeclareMathOperator*</code> declares the operator always to have its sub- and superscripts in the “<a href="FAQ-limits.html"><code>\</code><code>limits</code> position</a>”. -<p>The <i>amsopn</i> command <code>\</code><code>operatorname</code> allows you to -introduce <em>ad hoc</em> operators into your mathematics; as with -<code>\</code><code>DeclareMathOperator</code> there’s a starred version +<p/>The <i>amsopn</i> command <code>\</code><code>operatorname</code> allows you to +introduce <em>ad hoc</em> operators into your mathematics, so +<blockquote> + <code>\</code><code>[</code> <code>\</code><code>operatorname{foo}</code><code>(bar)</code> <code>\</code><code>]</code> +</blockquote><p> +typesets the same as +<blockquote> +<pre> +\DeclareMathOperator{\foo}{foo} +... +\[ \foo(bar) \] +</pre> +</blockquote><p> +As with <code>\</code><code>DeclareMathOperator</code> there’s a starred version <code>\</code><code>operatorname*</code> for sub- and superscripts in the limits position. -<p>(It should be noted that “log-like” was reportedly a <em>joke</em> on +<p/>(It should be noted that “log-like” was reportedly a <em>joke</em> on Lamport’s part; it is of course clear what was meant.) <dl> <dt><tt><i>amsopn.sty</i></tt><dd>In the AMSLaTeX distribution <a href="ftp://cam.ctan.org/tex-archive/macros/latex/required/amslatex.zip">macros/latex/required/amslatex</a> (<a href="ftp://cam.ctan.org/tex-archive/macros/latex/required/amslatex.tar.gz">gzipped tar</a>, <a href="http://www.tex.ac.uk/tex-archive/macros/latex/required/amslatex/">browse</a>) </dl> -<p><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=newfunction">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=newfunction</a> +<p/><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=newfunction">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=newfunction</a> </body> |