K ⁡ ( k ) <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.7.2"> <csymbol cd="dlmf" id="p1.1.m1.1.1.2.1.1.cmml" xref="p1.1.m1.1.1.2.1.2">complete-elliptic-integral-first-kind-K</csymbol> <ci id="p1.1.m1.1.1.5.cmml" xref="p1.1.m1.1.1.5">𝑘</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle K\left(\NVar{k}\right)}}
d x <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.2"> <diff id="p1.1.m1.1.1.1.1.cmml" xref="p1.1.m1.1.1.2.1.2"/> <ci id="p1.1.m1.1.1.2.2.cmml" xref="p1.1.m1.1.1.2.2">𝑥</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
∫ <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <int id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1"/> </annotation-xml> {\displaystyle{\displaystyle\int}}
m <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑚</ci> </annotation-xml> {\displaystyle{\displaystyle m}}
y <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑦</ci> </annotation-xml> {\displaystyle{\displaystyle y}}
z <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑧</ci> </annotation-xml> {\displaystyle{\displaystyle z}}
k <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑘</ci> </annotation-xml> {\displaystyle{\displaystyle k}}
ν <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝜈</ci> </annotation-xml> {\displaystyle{\displaystyle\nu}}
w ⁢ ( z ) <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.5.cmml" xref="p1.1.m1.1.5"> <times id="p1.1.m1.1.5.1.cmml" xref="p1.1.m1.1.5.1"/> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑤</ci> <ci id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3">𝑧</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle w(z)}}