Hi all,
Look this:
(%i1) integrate((2*x+1)*sin(x),x,0,4);
(%o1) 2 sin(4) - 9 cos(4) + 1
(%i2) integrate((2*x+1)*sin(x),x,0,4),numer;
`rat' replaced 6.283185307179586 by 103993/16551 = 6.283185306023805
`rat' replaced 6.283185307179586 by 103993/16551 = 6.283185306023805
Maxima encountered a Lisp error:
Error in MACSYMA-TOP-LEVEL [or a callee]: ((MTIMES SIMP) -1.0 $X) is
not of type NUMBER.
Automatically continuing.
To reenable the Lisp debugger set *debugger-hook* to nil.
(%i3) numer;
(%o3) false
(%i4) numer:true;
(%o4) true
(%i5) integrate((2*x+1)*sin(x),x,0,4);
(same error ...)
I try it with Maxima (CVS) under GCL, Clisp and SBCL, with the same behavior.
Ideas ???
Bye,
--
Juan Pablo Romero Bernal
Grupo Linux Universidad Distrital
Blog: http://jpromerobx.blogspot.com/
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