This is the mail archive of the gsl-discuss@sources.redhat.com mailing list for the GSL project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: about QAWF integration -- Fourier integrals


xie qiong writes:
 > Hello there,
 >  I have some problem when I tried to use gsl_integration_qawf.  I
 >  can get Fourier transform results for rectangular or normal pdf
 > using this routine. But when I changed the integrand to be
 > log-normal pdf, core dump happens due to the ERROR: cannot reach
 > tolerance because of roundoff error Aborted.

Only a larger tolerance will prevent that.  Send a small example program
to the list if you still have problems.

 > I have ever tried to make changes to some parameters, such as table
 > level n, workspace size and desired tolerance limit, but still
 > cannot provent core dump from happening.
 >  Any solution, help or suggestion would be greatly appreciated.
 >  Regards, Qiong


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]