{"id":10909,"date":"2025-07-15T13:34:50","date_gmt":"2025-07-15T13:34:50","guid":{"rendered":"https:\/\/functiontranslator.com\/gama\/"},"modified":"2021-02-25T17:20:10","modified_gmt":"2021-02-25T17:20:10","slug":"gamma","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/gamma\/","title":{"rendered":"GAMA"},"content":{"rendered":"

Introdu\u00e7\u00e3o \u00e0 Fun\u00e7\u00e3o GAMA<\/h2>\n

A fun\u00e7\u00e3o GAMA \u00e9 utilizada tanto no Microsoft Excel quanto no Google Planilhas para calcular o valor da fun\u00e7\u00e3o gama de um determinado n\u00famero. Este c\u00e1lculo \u00e9 uma generaliza\u00e7\u00e3o do conceito de fatorial, amplamente empregado em estat\u00edsticas e probabilidade, e pode ser aplicado a n\u00fameros inteiros, reais e complexos. A sintaxe para a fun\u00e7\u00e3o GAMA \u00e9:<\/p>\n

=GAMA(Number)<\/code><\/pre>\n
Onde Number<\/i><\/b> representa o valor ao qual a fun\u00e7\u00e3o gama ser\u00e1 aplicada.<\/p>\n
Sintaxe e Exemplos<\/h2>\n
Veja abaixo alguns exemplos de como a fun\u00e7\u00e3o GAMA pode ser aplicada no Excel e no Google Planilhas:<\/p>\n
Exemplo 1:<\/b> F\u00f3rmula: =GAMA(4) Resultado: 6 Explica\u00e7\u00e3o: GAMA(4) calcula \u0393(4), que \u00e9 equivalente a 3!, resultando em 6. Exemplo 2:<\/b> F\u00f3rmula: =GAMA(0.5) Resultado: Aproximadamente 1.77245 Explica\u00e7\u00e3o: GAMA(0.5) calcula \u0393(0.5), correspondendo \u00e0 raiz quadrada de pi. Exemplo 3:<\/b> F\u00f3rmula: =GAMA(-0.5) Resultado: Aproximadamente -3.54491 Explica\u00e7\u00e3o: GAMA(-0.5) calcula \u0393(-0.5), suportando assim valores negativos tamb\u00e9m.<\/code><\/pre>\n
Aplica\u00e7\u00f5es Pr\u00e1ticas<\/h2>\n
A fun\u00e7\u00e3o GAMA tem diversas aplica\u00e7\u00f5es pr\u00e1ticas. Vamos explorar alguns contextos nos quais ela pode ser particularmente \u00fatil:<\/p>\n
    \n
  • An\u00e1lise estat\u00edstica:<\/b> Na determina\u00e7\u00e3o de distribui\u00e7\u00f5es que requerem a fun\u00e7\u00e3o gama, como as distribui\u00e7\u00f5es Gama e de Erlang.<\/li>\n
  • Problemas de matem\u00e1tica e f\u00edsica:<\/b> Em c\u00e1lculos que envolvem fatoriais de n\u00fameros n\u00e3o inteiros.<\/li>\n<\/ul>\n
    Problemas Resolvidos<\/h2>\n
    A seguir, apresentamos alguns problemas resolvidos com a utiliza\u00e7\u00e3o da fun\u00e7\u00e3o GAMA.<\/p>\n
    Problema 1: C\u00e1lculo de uma Distribui\u00e7\u00e3o Gama<\/h3>\n
    Considere que \u00e9 necess\u00e1rio calcular a probabilidade cumulativa de uma distribui\u00e7\u00e3o Gama com par\u00e2metro de forma k = 2 e taxa \u03bb = 1 at\u00e9 x = 5.<\/p>\n
    =GAMADIST(5, 2, 1, TRUE)<\/code><\/pre>\n
    Este c\u00e1lculo fornecer\u00e1 a probabilidade de que uma vari\u00e1vel aleat\u00f3ria X com essa distribui\u00e7\u00e3o gama seja menor ou igual a 5.<\/p>\n
    Problema 2: An\u00e1lise de Risco<\/h3>\n
    Em an\u00e1lises de risco, \u00e9 poss\u00edvel que se necessite modelar o tempo at\u00e9 a falha de um componente. Se o tempo at\u00e9 a falha se basear em uma distribui\u00e7\u00e3o Gama, a fun\u00e7\u00e3o GAMA pode ajudar a compreender as caracter\u00edsticas dessa distribui\u00e7\u00e3o.<\/p>\n
    =GAMA(1.5)<\/code><\/pre>\n
    Este c\u00e1lculo resulta em \u0393(1.5), oferecendo insights sobre as propriedades da distribui\u00e7\u00e3o, como m\u00e9dia e vari\u00e2ncia.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Devolve o valor da fun\u00e7\u00e3o Gama<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[442],"tags":[],"class_list":["post-10909","post","type-post","status-publish","format-standard","hentry","category-estatistica"],"acf":[],"yoast_head":"\nFun\u00e7\u00e3o GAMMA (GAMA) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o GAMMA (GAMA) do Excel. 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