Rho looks like P, while Pi sounds like P. Apparently ρ (rho) = 100. I don't know which is better, just another possibility. Also: "The expected return of a giv

Rho looks like P, while Pi sounds like P. Apparently ρ (rho) = 100. I don't know which is better, just another possibility. Also: "The expected return of a given policy (π) in reinforcement learning, denoted ρ^π" ...Unicode perversely has some greek letter superscripts but not π.