Re: Calculation error

[Sergei Steshenko]

>________________________________
> From: asha g <address@hidden>
>To: "address@hidden" <address@hidden> 
>Sent: Wednesday, February 20, 2013 8:19 AM
>Subject: Calculation error 
> 
>
>I am getting an error while calculating the following using Octave 3.2 . Can 
>you please crosscheck. Also, when I write ln( ro/rl)/l - I get an error  
>message. can ln not be computed in Octave ? I would like to get the values of 
>rho and rx. Thanks Asha G 
>
> l = 400*10^-4; % in cm
>ro= 1.85*10^-4;% in cm
>rl= 0.3*10^-4;%in cm
>rho = (2.303/l)*log(ro/rl)
>%rho = ln(ro/rl)/l;
>x = linspace(0,l,N)
>rx= ro*(exp(-rho*x)) 
> 
> 
> 
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By, say,

400*10^-4

do actually mean

400e-4

?

Regards,
  Sergei.