[Maxima] abs((1+%i)^%i) and rectform
drdieterkaiser at web.de
Sat Feb 28 16:57:56 CST 2009
Today, Dan Gildea has checked in a correction for the function absarg in
rpart.lisp to handle correctly the absolute value of a power with
complex numbers. This correction is much more useful than my first
attempt to change cabs to $cabs in simpabs, because now the algorithm is
Thus, I am wondering if the usage of $rectform in the function $cabs is
only a workaround to get correct results from cabs (before the
I have tried to remove the $rectform from $cabs and I have got no
problems with the testsuite. The only change I have found is that for a
complex symbol we would get cabs(z) --> cabs(z) and not
A lot of results would get more simple without a $rectform to $cabs.
Perhaps the call to $rectform can be removed from $cabs.
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