Hello Heinz, > De : users <users-boun...@lists.scilab.org> De la part de Heinz Nabielek > Envoyé : mardi 1 novembre 2022 22:02 > > I need to compute the inverse of the cumulative beta function, but I just > cannot handle cdfbet.
>From what I undestand in https://help.scilab.org/docs/6.1.1/en_US/cdfbet.html the notation for the beta function in Scilab is : P = \int_{0}^{X} t^{A-1} * (1-t)^{B-1} dt What you want is X knowing [P, A, B] right ? The syntax seems to be [X,Y]=cdfbet("XY",A,B,P,Q) With Q = 1 - P. With your examples: --> [X,Y]=cdfbet("XY",1 ,10 ,0.95 ,0.05) X = 0.2588656 Y = 0.7411344 --> [X,Y]=cdfbet("XY",1 ,100 ,0.95 ,0.05) X = 0.0295130 Y = 0.9704870 Regards -- Christophe Dang Ngoc Chan Mechanical calculation engineer Technology & Open Innovation Product Management & Development Sidel Group Sidel Blowing & Services Avenue de la Patrouille de France CS 60627, Octeville-sur-Mer 76059 Le Havre cedex, France Tel: 33(0)2 32 85 89 32 Fax: 33(0)2 32 85 91 17 <http://www.sidel.com/> <mailto:christophe.d...@sidel.com> General This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error), please notify the sender immediately and destroy this e-mail. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden. _______________________________________________ users mailing list - users@lists.scilab.org Click here to unsubscribe: <mailto:users-unsubscr...@lists.scilab.org> http://lists.scilab.org/mailman/listinfo/users