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2,004 bytes added ,  14:21, 23 November 2021
Created page with "Documentation for \placesubformula"
<cd:commandgroup name="placesubformula" xmlns:cd="http://wiki.contextgarden.net/commanddoc/20200807">
<cd:shortdesc>The command <tt>\placesubformula</tt> places a displayed math formula
</cd:shortdesc>
<cd:variants>
<cd:command category="mathematics" file="strc-mat.mkiv" interfacedate="2020-07-14T09:24" interfacefile="i-formula.xml" level="document" name="placesubformula" variantnumber="1">
<cd:arguments>
<cd:keywords list="yes" optional="yes" ordinal="1">
<cd:keywordsdoc></cd:keywordsdoc>
<cd:constant type="+"></cd:constant>
<cd:constant type="-"></cd:constant>
<cd:constant type="cd:reference"></cd:constant>
</cd:keywords>
<cd:keywords delimiters="braces" optional="yes" ordinal="2">
<cd:keywordsdoc></cd:keywordsdoc>
<cd:constant type="cd:text">either a braced argument, or a <code>\startformula ... \stopformula </code> block</cd:constant>
</cd:keywords>
</cd:arguments>
</cd:command>
</cd:variants>
<cd:description>Place a displayed math formula, including equation number. The equation number has a suffixed number, and is not automatically incremented, so this can be used to group a set of equations.

The <code>text</code> argument is typically a <code>\startformula ... \stopformula </code> block instead of a literal braced argument.
</cd:description>
<cd:examples><cd:example title=""><context source="yes">
\placeformula[formula:aformula]
\startformula
y=x^2
\stopformula

\placesubformula[formula:suba]
\startformula
\int_0^1 x^2 dx
\stopformula

\placesubformula[formula:subb]
\startformula
\int_0^1 x^2 dx
\stopformula

\placeformula
\startformula
\int_0^1 x^2 dx
\stopformula
</context>
</cd:example></cd:examples>
<cd:notes></cd:notes>
<cd:seealso>
<cd:source file="strc-mat.mkiv" originator="system"></cd:source>
<cd:wikipage originator="system" page="Category:Mathematics"></cd:wikipage>
<cd:commandref name="placeformula"></cd:commandref>
<cd:commandref name="startformula"></cd:commandref></cd:seealso>
</cd:commandgroup>