Description
This element contains a single display or inline mathematical equation (a statement that two mathematical expressions are equal), which can be present in three very different formats (TeX markup, graphic image and MathML markup). Note that the TeX and MathML markup is contained in XML processing instructions (elements from the MathML DTD are not currently allowed within elements of this DTD:
<equation>
<no>(37)</no>
<texstructure><?TeX [ {a_i ,b^j } ] = \delta _i^j . ?></texstructure>
<graphic entityref="UM0001" width="83" height="25"/>
<formula>
<?MathML
<math display='block'><mrow><mo stretchy='false'>[</mo><msub><mi>a</mi> ...</math>
?>
</formula>
</equation>
If a mathematical formula contains more than one equation, then they can be wrapped within a
<mathcompound> element.
Parent Elements
The elements listed below may directly contain this element.
They are "parent" elements. Elements in referenced groups are included, up to two levels of group nesting.
Model Diagram
The DTD model for this element:
--+(sequence)
|
no (optional) -- TEXT
|
texstructure (optional) -- TEXT
|
graphic (optional)
|
formula (optional) -- (TEXT and elements)
DTD Definition
The DTD contains the following element and attribute definitions
(note that embedded links are to definitions within the DTD page of this guide):
<!ELEMENT equation (no?, texstructure?, graphic?, formula?)>
<!ATTLIST equation
%a-group-CommonIDAttrs;>
.
Defined in DTD section
Block-level Content : Maths and Chemistry
General Attributes (shared with other elements)