I remain strongly motivated to include something in FriCAS to provide
symbolic conjugate in Expression but I think that so far we have not
had sufficient opportunity to resolve differences of opinion on what
effect this might have on other parts of FriCAS. I am also a bit
disappointed that this does not seem to be of much interest to other
FriCAS developers.
I have a version of symbolic conjugate in my own FriCAS source tree.
I have not been able to do much testing but so far I am aware of only
one case in which integration goes wrong (divide by zero).
(1) -> )lib EFSTRUC
ElementaryFunctionStructurePackage is now explicitly exposed in
frame frame1
ElementaryFunctionStructurePackage will be automatically loaded when
needed from /home/wspage/fricas/src/algebra/EFSTRUC.NRLIB/EFSTRUC
(1) -> Abs(x)==sqrt(x*conjugate(x))
Type: Void
(2) -> integrate(sin(Abs(x)),x)
Compiling function Abs with type Variable(x) -> Expression(Integer)
>> Error detected within library code:
Function not supported by Risch d.e.
(2) -> integrate(Abs(sin(x)),x)
Compiling function Abs with type Expression(Integer) -> Expression(
Integer)
>> Error detected within library code:
catdef: division by zero
I would like to discuss this further with anyone who is interested.
Bill.
On 28 January 2015 at 22:47, Waldek Hebisch <[email protected]> wrote:
> I would like to do new release soon. There is still possibility
> to include new code, but I would like to avoid longer delay and
> get closer to two month cycle.
>
> --
> Waldek Hebisch
> [email protected]
>
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