At Fri, 30 Jun 2006 09:21:58 +0200, Eric Germaneau wrote: > I wish to use gsl in oder to perform the derivative of a data set > contains in an one dimensional array. > It seems that gsl numerical differentiation estimate the derivative of > function only. > Does anyone as an idea? > Do I have to do it "by hand" using for example u'(x) = ( u(x+h) - u(x) ) > / h?
Try gsl_spline_eval_deriv, see the manual for details. -- best regards, Brian Gough Network Theory Ltd, Publishing the GSL Manual - http://www.network-theory.co.uk/gsl/manual/ _______________________________________________ Help-gsl mailing list Help-gsl@gnu.org http://lists.gnu.org/mailman/listinfo/help-gsl
