|
From: Toyin A. <toy...@ho...> - 2007-08-27 14:58:41
|
Hi, =20 Perhaps not.=20 =20 The variance looks like it is divided by the number of steps before it is b= eing used. =20 Whereas in the other cases, the variance for a single dt step is taken and = used directly. =20 Just an observation... =20 Toy out.> To: qua...@li...> From: jwm...@ya...>= Date: Mon, 27 Aug 2007 13:40:57 +0000> Subject: [Quantlib-dev] Binomial Tr= ee Fever> > Think I found two errors in the Binomial Tree class. The proble= ms are in> LeisenReimer:: LeisenReimer and Joshi4::Joshi4. In both construc= tors the> variance should be > > Real variance =3D process->variance(0.0, x= 0_, dt_);> > Instead of> > Real variance =3D process->variance(0.0, x0_, en= d);> > > ------------------------------------------------------------------= -------> This SF.net email is sponsored by: Splunk Inc.> Still grepping thr= ough log files to find problems? Stop.> Now Search log events and configura= tion files using AJAX and a browser.> Download your FREE copy of Splunk now= >> http://get.splunk.com/> _______________________________________________= > QuantLib-dev mailing list> Qua...@li...> https://li= sts.sourceforge.net/lists/listinfo/quantlib-dev _________________________________________________________________ The next generation of MSN Hotmail has arrived - Windows Live Hotmail http://www.newhotmail.co.uk= |