data/mathoid/89.mml
<math
xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="sigma squared equals upper X Superscript upper T Baseline upper V upper X">
<semantics>
<mrow data-semantic-type="relseq" data-semantic-role="equality" data-semantic-id="12" data-semantic-children="2,11" data-semantic-content="3">
<msup data-semantic-type="superscript" data-semantic-role="greekletter" data-semantic-id="2" data-semantic-children="0,1" data-semantic-parent="12">
<mi data-semantic-type="identifier" data-semantic-role="greekletter" data-semantic-font="italic" data-semantic-id="0" data-semantic-parent="2">σ
<!-- σ -->
</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn data-semantic-type="number" data-semantic-role="integer" data-semantic-font="normal" data-semantic-id="1" data-semantic-parent="2">2</mn>
</mrow>
</msup>
<mo data-semantic-type="relation" data-semantic-role="equality" data-semantic-id="3" data-semantic-parent="12" data-semantic-operator="relseq,=">=</mo>
<mrow data-semantic-type="infixop" data-semantic-role="implicit" data-semantic-id="11" data-semantic-children="6,7,8" data-semantic-content="9,10" data-semantic-parent="12">
<msup data-semantic-type="superscript" data-semantic-role="latinletter" data-semantic-id="6" data-semantic-children="4,5" data-semantic-parent="11">
<mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="4" data-semantic-parent="6">X</mi>
<mrow class="MJX-TeXAtom-ORD">
<mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="5" data-semantic-parent="6">T</mi>
</mrow>
</msup>
<mo data-semantic-type="operator" data-semantic-role="multiplication" data-semantic-id="9" data-semantic-parent="11" data-semantic-added="true" data-semantic-operator="infixop,"></mo>
<mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="7" data-semantic-parent="11">V</mi>
<mo data-semantic-type="operator" data-semantic-role="multiplication" data-semantic-id="10" data-semantic-parent="11" data-semantic-added="true" data-semantic-operator="infixop,"></mo>
<mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="8" data-semantic-parent="11">X</mi>
</mrow>
</mrow>
<annotation encoding="application/x-tex">\sigma ^{2}=X^{T}VX</annotation>
</semantics>
</math>