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Topic: can I use bsxfun for this?
Replies: 3   Last Post: Dec 27, 2012 9:44 PM

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Doug Schwarz

Posts: 1,374
Registered: 12/7/04
Re: can I use bsxfun for this?
Posted: Dec 27, 2012 9:44 PM
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In article <kbh320$1fp$1@newscl01ah.mathworks.com>,
"Peter Schreiber" <schreiber.peter15@gmail.com> wrote:

> Hi
>
> I have
>
> A=[a11 a12 a13;
> a11 a12 a13;
> a11 a12 a13]
>
> and
>
> b=[b1 b2 b3]
>
> and would like to compute
>
> [ a11-b1 a12-b2 a13-b3;
> a11-b1 a12-b2 a13-b3;
> a11-b1 a12-b2 a13-b3]
>
> The actual number of columns of A and b is typically ~100
> The number of columns of A und b can vary only together (i.e. 3 columns for A
> and 3 columns for b)
>
> Thanks for any help.
>
> Peter


Yes,

bsxfun(@minus,A,b)

--
Doug Schwarz
dmschwarz&ieee,org
Make obvious changes to get real email address.



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