Hello Sebastian,
I think you may need to use tensorA package. You can define different
indices and use Einstein or Reimann summation convention.
Grüße,
Mehmet
On 23 August 2013 15:14, Sebastian Hersberger
wrote:
> Hi all
>
> I have a short question relating to the usage of the summation sign in
.1451830 0.7440195 0.6306908 0.8084772
A.K.
- Original Message -
From: Sara Farooqi
To: arun
Cc:
Sent: Sunday, October 28, 2012 2:39 AM
Subject: Re: [R] summation sign
hi Arun,
thank you for email. No I want to repeat the sum 5 times. So i is 5
and hence there are 5 x-variables. Eac
thank you vm for the reply! Just to make things a little more complicated
--does the equation hold even if the values of x are unknown? More
specifically perhaps we can still refer to the made up example
Sum(n equal 5)log(1-xi^2)
In the problem I am working on, I am writing a modified Newton Opt
On Oct 27, 2012, at 01:34 , sffarooqi wrote:
> Hi all,
> I have a very quick question on how to use the summation sign in R for the
> function.
> Here´s a basic example: the function is sum(i=1 to 5)log(1-xi^2)
> Id be grateful if someone knows how to do this without writing it out 5
> times - I
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