What's the difference between gammainc & igamma? Which one should I use to compute incomplete upper gamma function? Which one is scaled??
3 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
Anik Faisal
am 25 Jun. 2018
Beantwortet: John D'Errico
am 25 Jun. 2018
Incomplete upper gamma function
0 Kommentare
Akzeptierte Antwort
John D'Errico
am 25 Jun. 2018
igamma lives in the stats toolbox. It gives you an upper tail integral.
gammainc lives in MATLAB proper. gammainc is scaled.
The two functions also swap meanings of the arguments. So be careful.
1 - igamma(5,2)/gamma(5)
ans =
0.0526530173437112
gammainc(2,5)
ans =
0.0526530173437111
0 Kommentare
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Special Functions finden Sie in Help Center und File Exchange
Produkte
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!