[Octave-bug-tracker] [bug #47738] expint is inaccurate for certain imaginary inputs

[Mike Miller]

Update of bug #47738 (project octave):

                  Status:                    None => Confirmed              

    _______________________________________________________

Follow-up Comment #4:

I found a reference to this expansion in Abramowitz & Stegun with exactly
those terms to six significant figures (5.1.55). There are other papers out
there on approximations of the exponential integral. Boost uses
http://www.jstor.org/stable/2004541?seq=1#page_scan_tab_contents.

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?47738>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.gnu.org/