<unnummatheqn> (Un-Numbered Mathematical Equation) Description .email comment.
Description
This element contains an unnumbered display mathematical equation. It complements the <matheqn> element, but neither can be used for inline maths, where <inlinematheqn> must be used instead.
<unnummatheqn id="UM0001">
  <equation>
    <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><mi>i</mi> ...</math> 
      ?>
    </formula>
  </equation>
</unnummatheqn>
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:
--+(choice)
  |  
  |-- mathcompound  -- (elements)
  |  
  |-- equation  -- (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 unnummatheqn                   (mathcompound | equation)>
<!ATTLIST unnummatheqn
               %a-group-InteractiveAttrs;
               %a-group-CommonIDAttrs;>
.
Defined in DTD section Block-level Content : Maths and Chemistry
General Attributes (shared with other elements)
Interactive Attributes (a-group-InteractiveAttrs)
Common Optional ID Attributes (a-group-CommonIDAttrs)