Thanks. I would not have thought of using "quadeval".
It is much more suitable than my "eval with new symbols and sqrt(-1)".
A minor comment: the right parenthesis at the end the second line
should move to the end of first line.
- Qian
On 12/3/23 09:48, Waldek Hebisch wrote:
I prefer commit code when reasonably complete and ready.
If you want to test attached is my first shot at x^4 + a case
with negative a. It seems to be rare, but it was easy and
will share most code with case of positive a.
Example:
(1) -> integrate(1/(x^4-2),x)
4+-+
4+-+ 4+-+ x\|8
- log(x\|8 + 2) + log(x\|8 - 2) - 2 atan(-----)
2
(1) -------------------------------------------------
4+-+
4 \|8
Type: Union(Expression(Integer),...)
(before there were two complex logs).
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