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Groups > comp.lang.forth > #50131
| From | Ron Aaron <rambamist@gmail.com> |
|---|---|
| Newsgroups | comp.lang.forth |
| Subject | Re: Dot product |
| Date | 2016-08-15 10:01 +0300 |
| Organization | A noiseless patient Spider |
| Message-ID | <norpch$igv$1@dont-email.me> (permalink) |
| References | <norft6$sva$1@dont-email.me> <2906a9e9-5e8b-4563-92ec-034f8dcc3de1@googlegroups.com> |
On 08/15/2016 09:43, lehs wrote: > Den måndag 15 augusti 2016 kl. 06:19:51 UTC+2 skrev Ron Aaron: >> From RosettaCode: >> >> http://8th-dev.com/forum/index.php/topic,1050.0.html >> >> [1,3,-5] [4,-2,1] ' n:* ' n:+ a:dot . cr >> >> outputs 3 >> >> The a:dot word is a generalized dot-product of two similarly-sized >> arrays. So it can do a great deal more than a simple math dot-product. > > isn't the dot product of [1,3,-5] and [4,-2,1] =1*4+3*(-2)+(-5)*1=-7? > Yes. The last '1' s/b a '-1'. Sorry :o
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Dot product Ron Aaron <rambamist@gmail.com> - 2016-08-15 07:19 +0300
Re: Dot product lawrencedo99@gmail.com - 2016-08-14 21:57 -0700
Re: Dot product Ron Aaron <rambamist@gmail.com> - 2016-08-15 08:33 +0300
Re: Dot product lehs <skydda.barnen@gmail.com> - 2016-08-14 23:43 -0700
Re: Dot product Ron Aaron <rambamist@gmail.com> - 2016-08-15 10:01 +0300
Re: Dot product "WJ" <w_a_x_man@yahoo.com> - 2016-08-18 17:19 +0000
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