<disp-formula-group>
Formula, Display Group
Container element for equations or other mathematical expressions.
Remarks
Best Practice: This element should be used for a
group of equations or other mathematical expressions to be displayed together; it should
not contain only a single equation or expression.
Equations within such groups may be given a single group number, numbered individually, or both.
Attributes
Content Model
<!ELEMENT disp-formula-group %disp-formula-group-model; >
Expanded Content Model
(label?, (caption)?, (alt-text | long-desc | email | ext-link | uri)*, (disp-formula | disp-formula-group)*)
Description
The following, in order:
- <label> Label (of an Equation, Figure, Reference, etc.), zero or one
- <caption> Caption of a Figure, Table, etc., zero or one
- Any combination of:
- Accessibility Elements
- Linking Elements
- Any combination of:
This element may be contained in:
Example
...
<sec>
<title>The Quadratic Formula</title>
<p>...</p>
<disp-formula-group>
<disp-formula id="formula-qf-1">
<label>(1)</label>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow>...</mml:mrow>
</mml:math>
</disp-formula>
<disp-formula id="formula-qf-2">
<label>(2)</label>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow>...</mml:mrow>
</mml:math>
</disp-formula>
<disp-formula id="formula-qf-3">
<label>(3)</label>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow>...</mml:mrow>
</mml:math>
</disp-formula>
</disp-formula-group>
</sec>
...