RE: vectorization problem

[Schirmacher, Rolf]

diff(a) ./ a(1:end-1)  ?

Untested...

Regards,

Rolf

> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden Behalf Of dirac
> Sent: Wednesday, March 30, 2011 6:53 PM
> To: address@hidden
> Subject: vectorization problem
> 
> 
> Hi again,
> 
> I am trying to do a really simple calculation where I have 
> some vector 'a'
> say. All I want to do is to find:
> 
> b = [a(i)-a(i+1)]/a(i)
> 
> Is there a way to do this by vector multiplication rather 
> than for loops? I
> can't see a way to do it because the new vector will be 1 
> element less than
> the original vector 'a'.
> 
> Thanks
> 
> -----
> Still learning everyday.
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