Could someone please explain why this call to integrate fails first time,
but works second time?
Running 1.3.6 on Linux Manjaro under Virtual box
>fricas
Checking for foreign routines
FRICAS="/usr/local/lib/fricas/target/x86_64-linux-gnu"
spad-lib="/usr/local/lib/fricas/target/x86_64-linux-gnu/lib/libspad.so"
foreign routines found
FriCAS Computer Algebra System
Version: FriCAS 1.3.6
Timestamp: Mon 09 Mar 2020 12:35:03 PM CDT
(1) -> setSimplifyDenomsFlag(true)
(1) false
Type:
Boolean
(2) -> integrate((b*x + a)^(3/2)*(d*x + c)^(5/2)/x^7,x)
>> Error detected within library code:
"failed" of mode
Union(SparseUnivariatePolynomial(Expression(Integer)),"failed") cannot be
coerced to mode SparseUnivariatePolynomial(Expression(Integer))
(2) -> integrate((b*x + a)^(3/2)*(d*x + c)^(5/2)/x^7,x)
No error. Gives result ok second time.
Thanks
--Nasser
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