Vomma, Raw, Diff

Raw Vomma

diff(s / (Power[v,3.0] * Power[t,0.5] * P) * exp(-Power[(Log(s/K)+0.5*Power[v,2.0]*t),2.0]/(2.0 * Power[v,2.0]*t)) * (Power[Log(s/K),2.0] - 0.25 * Power[v,4.0]*Power[t,2.0]))