P product     =  ∏ c = 1  n  P c       P combined     =  P product   ∑ i = 0  n − 1   ( − ln ⁡ ( P product   ) )  i   i !   .         MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaafaqaaeGadaaabaGaemiuaa1aaSbaaSqaaiabbchaWjabbkhaYjabb+gaVjabbsgaKjabbwha1jabbogaJjabbsha0bqabaaakeaacqGH9aqpaeaadaqeWbqaaiabdcfaqnaaBaaaleaacqWGJbWyaeqaaaqaaiabdogaJjabg2da9iabigdaXaqaaiabd6gaUbqdcqGHpis1aaGcbaGaemiuaa1aaSbaaSqaaiabbogaJjabb+gaVjabb2gaTjabbkgaIjabbMgaPjabb6gaUjabbwgaLjabbsgaKbqabaaakeaacqGH9aqpaeaacqWGqbaudaWgaaWcbaGaeeiCaaNaeeOCaiNaee4Ba8MaeeizaqMaeeyDauNaee4yamMaeeiDaqhabeaakmaaqahabaWaaSaaaeaacqGGOaakcqGHsislcyGGSbaBcqGGUbGBcqGGOaakcqWGqbaudaWgaaWcbaGaeeiCaaNaeeOCaiNaee4Ba8MaeeizaqMaeeyDauNaee4yamMaeeiDaqhabeaakiabcMcaPiabcMcaPmaaCaaaleqabaGaemyAaKgaaaGcbaGaemyAaKMaeiyiaecaaiabc6caUaWcbaGaemyAaKMaeyypa0JaeGimaadabaGaemOBa4MaeyOeI0IaeGymaedaniabggHiLdaaaaaa@7A2C@