nan

Patrick Dupre <[email protected]> Tue, 1 Nov 2022 22:54:01 +0100

Newsgroups	gmane.comp.graphics.gnuplot.user
Message-ID	<trinity-59ba702d-a74a-424e-8e72-1f797c07e066-1667339641668@3c-app-mailcom-bs14>

Hello,

Setting
fcn(x,g,G)=-imag(1/(x+I*g)*faddeeva(x/G)

plot [-30:30] fcn(x,0.01,1)  

provides
nan from values less than -27.28 and more than 27.28
There is not reason for that
The value are small, but not very small
slightly less than
-0.0007586274478

Any idea?

Thank
===========================================================================
 Patrick DUPRÉ                                 | | email: [email protected]
 Laboratoire interdisciplinaire Carnot de Bourgogne
 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
 Tel: +33 (0)380395988                    | | Room# D114A
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