On 2013-07-01, Joris Vankerschaver <joris.vankerscha...@gmail.com> wrote:
> sage: u, v = var('u, v', domain='real')
> sage: sqrt(-1/(u^2+v^2-1)).simplify_radical() # This will hang
This is a bug in Maxima:
(%i2) radcan (sqrt (-1 / (u^2 + v^2 - 1))), domain=complex;
It waits apparently forever here -- but it is actually looping over
*ALPHA (not sure why) which is a large prime number (8388593).
(%i3) :lisp (setq *alpha 17)
17
(%i3) radcan(sqrt(-1/(u^2+v^2-1))), domain=complex;
(%o3) 1/sqrt(-v^2-u^2+1)
I've reported this as bug # 2605.
best
Robert Dodier
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