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Groups > comp.lang.forth > #43547
| From | "WJ" <w_a_x_man@yahoo.com> |
|---|---|
| Newsgroups | comp.lang.forth |
| Subject | Re: Rosetta code binomial coefficient |
| Date | 2015-11-15 06:18 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <n2984e$lm$1@dont-email.me> (permalink) |
| References | <4fa62f0c-dab1-4bc0-bbda-8c250a6955d4@googlegroups.com> <n1kbs8$n9g$1@dont-email.me> <n1l0fa$pm3$1@dont-email.me> |
WJ wrote:
> Shorter:
>
> def choose n,k
> (1..k).reduce(1){|t,i| t*(n-i+1)/i}
> end
Using recursion:
def choose n,k
k<1?1:(n-k+1)*choose(n,k-1)/k
end
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Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-06 22:05 -0800
Re: Rosetta code binomial coefficient mhx@iae.nl - 2015-11-06 23:24 -0800
Re: Rosetta code binomial coefficient Albert van der Horst <albert@spenarnc.xs4all.nl> - 2015-11-07 10:58 +0000
Re: Rosetta code binomial coefficient "WJ" <w_a_x_man@yahoo.com> - 2015-11-07 08:14 +0000
Re: Rosetta code binomial coefficient "WJ" <w_a_x_man@yahoo.com> - 2015-11-07 14:05 +0000
Re: Rosetta code binomial coefficient "WJ" <w_a_x_man@yahoo.com> - 2015-11-15 06:18 +0000
Re: Rosetta code binomial coefficient Paul Rubin <no.email@nospam.invalid> - 2015-11-07 00:23 -0800
Re: Rosetta code binomial coefficient Bernd Paysan <bernd.paysan@gmx.de> - 2015-11-07 15:11 +0100
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-07 07:49 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-07 08:10 -0800
Re: Rosetta code binomial coefficient Paul Rubin <no.email@nospam.invalid> - 2015-11-07 08:50 -0800
Re: Rosetta code binomial coefficient Bernd Paysan <bernd.paysan@gmx.de> - 2015-11-07 20:20 +0100
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-07 17:45 -0800
Re: Rosetta code binomial coefficient Paul Rubin <no.email@nospam.invalid> - 2015-11-07 19:50 -0800
Re: Rosetta code binomial coefficient "WJ" <w_a_x_man@yahoo.com> - 2015-11-08 15:35 +0000
Re: Rosetta code binomial coefficient "WJ" <w_a_x_man@yahoo.com> - 2015-11-25 20:29 +0000
Re: Rosetta code binomial coefficient Paul Rubin <no.email@nospam.invalid> - 2015-11-25 12:43 -0800
Re: Rosetta code binomial coefficient Bernd Paysan <bernd.paysan@gmx.de> - 2015-11-08 18:51 +0100
Re: Rosetta code binomial coefficient Albert van der Horst <albert@spenarnc.xs4all.nl> - 2015-11-08 18:51 +0000
Re: Rosetta code binomial coefficient Paul Rubin <no.email@nospam.invalid> - 2015-11-08 19:55 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-08 07:03 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-09 06:57 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-10 03:49 -0800
Re: Rosetta code binomial coefficient Ron Aaron <rambamist@gmail.com> - 2015-11-10 14:01 +0200
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-10 19:13 -0800
Re: Rosetta code binomial coefficient Ron Aaron <rambamist@gmail.com> - 2015-11-11 07:38 +0200
Re: Rosetta code binomial coefficient glidedog@gmail.com - 2015-11-14 05:26 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-14 06:19 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-14 06:22 -0800
Re: Rosetta code binomial coefficient glidedog@gmail.com - 2015-11-14 08:16 -0800
Re: Rosetta code binomial coefficient krishna.myneni@ccreweb.org - 2015-11-14 11:16 -0800
Re: Rosetta code binomial coefficient "WJ" <w_a_x_man@yahoo.com> - 2016-06-28 00:02 +0000
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