Translations:Dictionary:Complex-trace analysis/35/es

$\omega (t)={\frac {d\phi (t)}{dt}}={\frac {d}{dt}}\arctan \left({\frac {{\mbox{Im }}F(t)}{{\mbox{Re }}F(t)}}\right)={\frac {({\mbox{Im }}F(t))^{\prime }\;({\mbox{Re }}F(t))-({\mbox{Im }}F(t))\;({\mbox{Re }}F(t))^{\prime }}{({\mbox{Re }}F(t))^{2}+({\mbox{Im }}F(t))^{2}}}$