l.butler at ed.ac.uk
Wed Aug 26 12:12:18 CDT 2009
Is this a bug? I think the correct answer depends on the domain:
(%i4) ? limit
-- Function: limit (<expr>, <x>, <val>, <dir>)
-- Function: limit (<expr>, <x>, <val>)
-- Function: limit (<expr>)
Computes the limit of <expr> as the real variable <x> approaches
the value <val> from the direction <dir>. <dir> may have the
value `plus' for a limit from above, `minus' for a limit from
below, or may be omitted (implying a two-sided limit is to be
It seems to me that domain=real => und, domain=complex => infinity.
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