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by BradPreston
July 26th, 2006, 10:19 am
Forum: Technical Forum
Topic: problems in Copula
Replies: 13
Views: 114992

problems in Copula

<r>Peter Tankov <URL url="http://www.math.jussieu.fr/~tankov/">http://www.math.jussieu.fr/~tankov/</URL> has done work on Levy Copulas. As far as I understand this should help with one of the big problems of using copulas for basket option pricing - how to relate the copula of returns over one time ...
by BradPreston
February 14th, 2006, 11:38 am
Forum: Programming and Software Forum
Topic: COM addin for excel
Replies: 17
Views: 121371

COM addin for excel

Is it possible to create user defined functions for excel using COM addins written in C++ I know you can't do it directly but can you get it right by wrapping them in VBA functions?Thanks
by BradPreston
February 14th, 2006, 11:36 am
Forum: Programming and Software Forum
Topic: COM addin for excel
Replies: 0
Views: 118607

COM addin for excel

Is it possible to create user defined functions for excel using COM addins written in C++ I know you can't do it directly but can you get it right by wrapping them in VBA functions?Thanks
by BradPreston
October 26th, 2005, 6:25 am
Forum: Book And Research Paper Forum
Topic: Classics
Replies: 4
Views: 132341

Classics

What books would make a list of the most important/influential classics both in quant finance, but also in finance and economics in general
by BradPreston
October 26th, 2005, 6:11 am
Forum: Technical Forum
Topic: state of the art in multi-asset stoch vol?
Replies: 21
Views: 135951

state of the art in multi-asset stoch vol?

<t>The problem with the approach of getting the implied risk neutral densities and then using monte carlo with a copula is that the densities are for returns over the life of the option, so we need to estimate the copula for the returns over this same time period. If its a 6 month option then we hav...
by BradPreston
October 19th, 2005, 10:14 am
Forum: Technical Forum
Topic: inverse of t distribution -- C/C++ routine?
Replies: 11
Views: 136742

inverse of t distribution -- C/C++ routine?

<t>If you want to get calculate the inverse cumulative from the same distribution a large number of times try using a rational chebychev approximation - there is code in numerical recipies in C. I think this is the method that Peter Acklam uses for the inverse cumulative of the normal so it should w...