data/pom/63.xml
<?xml version="1.0" ?>
<math type="pom-exported">
<expression prime-tag="sequence">
<term prime-tag="letter" secondary-tags="Latin">y</term>
<expression prime-tag="balanced-expression">
<term prime-tag="left-delimiter">\left(</term>
<term prime-tag="letter" secondary-tags="Latin">x</term>
<term prime-tag="right-delimiter">\right)</term>
</expression>
<term prime-tag="equals">=</term>
<expression prime-tag="sequence">
<term prime-tag="latex-command">\mathop</term>
<expression prime-tag="sequence">
<term prime-tag="latex-command">\rm</term>
<term prime-tag="function">sgn</term>
</expression>
</expression>
<expression prime-tag="balanced-expression">
<term prime-tag="left-delimiter">\left(</term>
<term prime-tag="latex-command">\rho</term>
<term prime-tag="right-delimiter">\right)</term>
</expression>
<expression prime-tag="fraction">
<expression prime-tag="sequence" secondary-tags="numerator">
<term prime-tag="latex-command">\sigma</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">y</term>
</expression>
</expression>
<expression prime-tag="sequence" secondary-tags="denominator">
<term prime-tag="latex-command">\sigma</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">x</term>
</expression>
</expression>
</expression>
<expression prime-tag="balanced-expression">
<term prime-tag="left-delimiter">\left(</term>
<expression prime-tag="sequence">
<term prime-tag="letter" secondary-tags="Latin">x</term>
<term prime-tag="minus">-</term>
<expression prime-tag="sequence">
<term prime-tag="latex-command">\mu</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">x</term>
</expression>
</expression>
</expression>
<term prime-tag="right-delimiter">\right)</term>
</expression>
<term prime-tag="plus">+</term>
<expression prime-tag="sequence">
<term prime-tag="latex-command">\mu</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">y</term>
</expression>
</expression>
</expression>
</math>