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Re: Applying each element of a vector to each row of a matrix
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From: |
Jordi Gutiérrez Hermoso |
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Subject: |
Re: Applying each element of a vector to each row of a matrix |
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Date: |
Sun, 19 Dec 2010 10:11:42 -0600 |
2010/12/19 Martin Helm <address@hidden>:
> Am Sonntag, 19. Dezember 2010, 16:33:20 schrieb Jordi Gutiérrez
> Hermoso:
>> I'm often found with a situation in which I have some matrix A and
>> some vector v and I would like to do something like multiply each
>> column or row in A by each element of v.
> There is a special type "diagonal matrix" which should fit your
> needs.
[snip]
> diag(v)*a for example
Ah, yes, I hadn't thought of that. Jaroslav worked on extending diag
matrices. But that only covers the multiplication and division cases.
Sometimes I also want to do this with exponentiation. What then?
- Jordi G. H.
- Applying each element of a vector to each row of a matrix, Jordi Gutiérrez Hermoso, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Martin Helm, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix,
Jordi Gutiérrez Hermoso <=
- Re: Applying each element of a vector to each row of a matrix, Martin Helm, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Jordi Gutiérrez Hermoso, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Martin Helm, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Jordi Gutiérrez Hermoso, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Olaf Till, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Jonathan Webster, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Jordi Gutiérrez Hermoso, 2010/12/20
- Re: Applying each element of a vector to each row of a matrix, Jonathan Webster, 2010/12/20
- Re: Applying each element of a vector to each row of a matrix, Jordi Gutiérrez Hermoso, 2010/12/19
- Re: Applying each element of a vector to each row of a matrix, Judd Storrs, 2010/12/19