informalequation
informalequation — A displayed mathematical equation without a title.
Synopsis
informalequation ::=
Attributes
Common attributes and common linking attributes.
Additional attributes:
- floatstyle
- pgwide (enumeration)
- “0”
- “1”
Additional Constraints
- If this element is the root element, it must have a version attribute.
Description
An informalequation is usually a mathematical
equation or a group of related mathematical equations.
Processing expectations
Formatted as a displayed block.
Attributes
Common attributes and common linking attributes.
- floatstyle
Specifies style information to be used when rendering the float
- pgwide
Indicates if the element is rendered across the column or the page
Enumerated values: “0” The element should be rendered in the current text flow (with the flow column width).
“1” The element should be rendered across the full text page.
Parents
These elements contain informalequation: acknowledgements, annotation, answer, appendix, article, bibliodiv, bibliography, bibliolist, blockquote, callout, calloutlist, caption (db.caption), caution, chapter, colophon, constraintdef, cover, dedication, entry, example, figure, footnote, glossary, glossdef, glossdiv, glosslist, important, index, indexdiv, informalexample, informalfigure, itemizedlist, legalnotice, listitem, msgexplan, msgtext, note, orderedlist, para, partintro, preface, procedure, qandadiv, qandaset, question, refsect1, refsect2, refsect3, refsection, refsynopsisdiv, result, revdescription, sect1, sect2, sect3, sect4, sect5, section, setindex, sidebar, simplesect, step, taskprerequisites, taskrelated, tasksummary, td, textobject, th, tip, toc, tocdiv, topic, variablelist, warning.
Children
The following elements occur in informalequation: alt, caption (db.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
