-Oprindelig meddelelse-
> Fra: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] På vegne af kayteck_master
> Sendt: 3. juni 2008 8:22
> Til: r-help@r-project.org
> Emne: Re: [R] matlab eigs function in R
>
>
> Dear Thomas
>
> Yes, you're right. But I'm
Dear Thomas
Yes, you're right. But I'm looking for this not only for computational cost
reasons.
eigen function from R has identical behavior to matlab function eig, but not
to eigs.
Even in matlab you can check that those function are not giving identical
results.
Here you have a short example
Presumably the original poster was looking for a function that would compute
just the largest five eigenvalues and associated vectors, because that is
enormously more efficient for a large matrix than computing all of them.
eigen() computes all of them.
One way to compute just a few is to use
"Jorge Ivan Velez" <[EMAIL PROTECTED]> wrote in
news:[EMAIL PROTECTED]:
> Dear kayteck,
>
> Function eigen (see ?eigen) will do what you want.
>
> HTH,
He had looked, but since eigen returns both eigenvalues and
eigenvectors, and does so in a list, perhaps he needs advice about how
to extrac
Dear kayteck,
Function eigen (see ?eigen) will do what you want.
HTH,
Jorge
On Tue, Jun 3, 2008 at 5:42 AM, kayteck_master <[EMAIL PROTECTED]> wrote:
>
> Hello
>
> Does anybody know how one can compute d largest eigenvalues/eigenvectors in
> R, like in MATLAB eigs function ? eigen function co
Hello
Does anybody know how one can compute d largest eigenvalues/eigenvectors in
R, like in MATLAB eigs function ? eigen function computes all
eigenvectors/eigenvalues, and they are slightly different than those
generated by matlab eigs.
Thanks in advance
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