#855 integrate(log(x)/(x^2+1)^2,x,0,inf) - wrong result

closed
nobody
None
5
2006-02-15
2006-01-14
Anonymous
No

(%i1) integrate(log(x)/(x^2+1)^2,x,0,inf);
(%o1) (3*%i*%pi^2-4*%pi)/32

Correct result should be -%pi/4.

-------------------------------------------------------------
Maxima version: 5.9.2.15cvs
Maxima build date: 17:26 1/9/2006
host type: powerpc-apple-darwin8.3.0
lisp-implementation-type: SBCL
lisp-implementation-version: 0.9.8
-------------------------------------------------------------

Discussion

  • Raymond Toy

    Raymond Toy - 2006-02-15
    • status: open --> closed
     
  • Raymond Toy

    Raymond Toy - 2006-02-15

    Logged In: YES
    user_id=28849

    Fixed in CVS. The problem was that we were not computing
    the residues of all the poles.

     

Log in to post a comment.

Get latest updates about Open Source Projects, Conferences and News.

Sign up for the SourceForge newsletter:

JavaScript is required for this form.





No, thanks