From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001 From: Joe Hunkeler Date: Tue, 11 Aug 2015 16:51:37 -0400 Subject: Repatch (from linux) of OSX IRAF --- math/bevington/man/fderiv.3m | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 math/bevington/man/fderiv.3m (limited to 'math/bevington/man/fderiv.3m') diff --git a/math/bevington/man/fderiv.3m b/math/bevington/man/fderiv.3m new file mode 100644 index 00000000..d9c88aeb --- /dev/null +++ b/math/bevington/man/fderiv.3m @@ -0,0 +1,27 @@ +.TH FDERIV 3M +.SH NAME +fderiv +.SH DESCRIPTION +subroutine fderiv.f (non-analytical) + +source + Bevington, page 242. + +purpose + evaluate derivatives of function for least-squares search + for arbitrary function given by functn + +usage + call fderiv (x, i, a, deltaa, nterms, deriv) + +description of parameters + x - array of data points for independent variable + i - index of data points + a - array of parameters + deltaa - array of parameter increments + nterms - number of parameters + deriv - derivatives of function + +subroutines and function subprograms required + functn (x, i, a) + evaluates the fitting function for the ith term -- cgit