wxMaxima version: 13.4.0
Maxima version: 5.31.1
Maxima build date: 2013-09-24 09:49:12
Host type: i686-pc-mingw32
Lisp implementation type: GNU Common Lisp (GCL)
Lisp implementation version: GCL 2.6.8
(integrate(exp(-u^2*( (x[1,1]-x[2,1])^2+(x[1,2]-x[2,2])^2+(x[1,3]-x[2,3])^2)),u,-inf,inf) );
now it is obvious
(x[1,1]-x[2,1])^2+(x[1,2]-x[2,2])^2+(x[1,3]-x[2,3])^2)) is positive and that is what anyone would assume if they asked for the integral but it comes back and asks questions about positive or negative again and again when it should NOT
NOw if that is not irritating enough I even put in before that:
There is just no excuse for this type of harassment by asking these ignorant
lame brain questions !!
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