[R] how can I do this sum?

[Ben Bolker]

dott <dorothy99 <at> gmail.com> writes:

> 
> 
> Matlab has .*, so that
> t(x1,x2).*t(x3,x4).* t(x5,x6)
> 
> but what is .* in R? 
> 
> Thanks.
> Dot.
> 

  Element-wise multiplication is just * in R

  (do you really mean "sum" or is that a general expression
for "calculation"?)

  See also

http://wiki.r-project.org/rwiki/doku.php?id=getting-started:translations:octave2r

(although that doesn't seem to answer your particular question)