bug-gsl
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Bug-gsl] bug in manual - gsl_odeiv_control_standard_new


From: Brian Gough
Subject: Re: [Bug-gsl] bug in manual - gsl_odeiv_control_standard_new
Date: Mon, 17 May 2004 12:45:05 +0100

zkoza writes:
 > First, its not true that "D/E is taken to be the maximum of the
 > ratios D_i/E_i.".  As a matter of fact the algorithm uses the ratio
 > E/D computed as the maximum of the ratios E_i/D_i.
 > 
 > Then there's an error in the formula "h_new = h_old * S *
 > (E/D)^(1/(q+1))" which should read h_new = h_old * S *
 > (E/D)^(-1/(q+1))
 > 
 > It might also be helpful to mention that the scaling factor for h
 > is always between 1/5 and 5.

Thanks for the bug report.  I'll update the documentation for the next
release.

-- 
Brian Gough

Network Theory Ltd,
Publishing Free Software Manuals --- http://www.network-theory.co.uk/




reply via email to

[Prev in Thread] Current Thread [Next in Thread]