informalequation
informalequation — A displayed mathematical equation without a title.
Synopsis
informalequation ::= ![[-]](figs/web/nav/down.gif)
![[+]](figs/web/nav/right.gif)
Attributes
Description
An informalequation is usually a mathematical
equation or a group of related mathematical equations.
Processing expectations
Formatted as a displayed block.
Parents
These elements contain informalequation: acknowledgements, answer, appendix, article, bibliodiv, bibliography, bibliolist, blockquote, callout, calloutlist, caption, chapter, colophon, cover, dedication, dialogue, drama, entry, example, figure, footnote, glossary, glossdef, glossdiv, glosslist, index, informalexample, informalfigure, itemizedlist, legalnotice, linegroup, listitem, note, orderedlist, para, partintro, poetry, preface, procedure, qandadiv, qandaset, question, revdescription, section, setindex, sidebar, simplesect, step, taskprerequisites, taskrelated, tasksummary, textobject, toc, variablelist.
Children
The following elements occur in informalequation: alt, caption, info (db.titleforbidden.info), mathphrase, mediaobject, mml:*.
See Also
Examples
<article xmlns='http://docbook.org/ns/docbook'>
<title>Example informalequation</title>
<para>The equation
<informalequation>
<alt>e^(pi*i) + 1 = 0</alt>
<mediaobject>
<imageobject condition="print">
<imagedata fileref="figs/print/db5d_refeqn02.pdf"/>
</imageobject>
<imageobject condition="web">
<imagedata fileref="figs/web/db5d_refeqn02.png"/>
</imageobject>
</mediaobject>
</informalequation>
is delightful because it joins together five of the most
important mathematical constants.
</para>
</article>
The equation
