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sage --version
SageMath version 10.3, Release Date: 2024-03-19
>fricas --version
FriCAS 1.3.10
based on sbcl 2.3.11
>
Sage gives RuntimeError: no explicit roots found on an integral which Fricas directly can do
>sage
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 10.3, Release Date: 2024-03-19 │
│ Using Python 3.11.8. Type "help()" for help. │
└────────────────────────────────────────────────────────────────────┘
sage: print(fricas.eval(")lisp |$build_version|"))
Value = "FriCAS 1.3.10"
sage: var('x a b B y A')
(x, a, b, B, y, A)
sage: integrate(1/(b*x^7+a),x, algorithm="fricas")
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
Cell In[5], line 1
----> 1 integrate(Integer(1)/(b*x**Integer(7)+a),x, algorithm="fricas")
File ~/TMP/sage-10.3/src/sage/misc/functional.py:788, in integral(x, *args, **kwds)
655 """
656 Return an indefinite or definite integral of an object ``x``.
657
(...)
785
786 """
787 if hasattr(x, 'integral'):
--> 788 return x.integral(*args, **kwds)
789 else:
790 from sage.symbolic.ring import SR
File ~/TMP/sage-10.3/src/sage/symbolic/expression.pyx:13268, in sage.symbolic.expression.Expression.integral()
13266 R = SR
13267 return R(integral(f, v, a, b, **kwds))
> 13268 return integral(self, *args, **kwds)
13269
13270 integrate = integral
File ~/TMP/sage-10.3/src/sage/symbolic/integration/integral.py:1062, in integrate(expression, v, a, b, algorithm, hold)
1060 if not integrator:
1061 raise ValueError("Unknown algorithm: %s" % algorithm)
-> 1062 return integrator(expression, v, a, b)
1063 if a is None:
1064 return indefinite_integral(expression, v, hold=hold)
File ~/TMP/sage-10.3/src/sage/symbolic/integration/external.py:207, in fricas_integrator(expression, v, a, b, noPole)
204 else:
205 result = e_fricas.integrate(seg)
--> 207 result = result.sage()
209 if result == "failed":
210 result = expression.integrate(v, a, b, hold=True)
File ~/TMP/sage-10.3/src/sage/interfaces/interface.py:1123, in InterfaceElement.sage(self, *args, **kwds)
1104 def sage(self, *args, **kwds):
1105 """
1106 Attempt to return a Sage version of this object.
1107
(...)
1121 [0 0]
1122 """
-> 1123 return self._sage_(*args, **kwds)
File ~/TMP/sage-10.3/src/sage/interfaces/fricas.py:2056, in FriCASElement._sage_(self)
2051 return FriCASElement._sage_expression(P.get_InputForm(self._name))
2053 if head == "Expression" or head == "Pi":
2054 # we treat Expression Integer and Expression Complex
2055 # Integer just the same
-> 2056 return FriCASElement._sage_expression(P.get_InputForm(self._name))
2058 if head == 'DistributedMultivariatePolynomial':
2059 base_ring = self._get_sage_type(domain[2])
File ~/TMP/sage-10.3/src/sage/interfaces/fricas.py:1759, in FriCASElement._sage_expression(fricas_InputForm)
1754 del rootOf[var]
1755 if evars:
1756 # we just need any root per FriCAS specification -
1757 # however, if there are extra variables, we cannot
1758 # use QQbar.any_root
-> 1759 rootOf_ev[var] = poly.roots(var, multiplicities=False)[0]
1760 else:
1761 R = PolynomialRing(QQbar, "x")
File ~/TMP/sage-10.3/src/sage/symbolic/expression.pyx:12308, in sage.symbolic.expression.Expression.roots()
12306 S, mul = self.solve(x, multiplicities=True, explicit_solutions=explicit_solutions)
12307 if len(mul) == 0 and explicit_solutions:
> 12308 raise RuntimeError("no explicit roots found")
12309 else:
12310 rt_muls = [(S[i].rhs(), mul[i]) for i in range(len(mul))]
RuntimeError: no explicit roots found
sage:
Same command works with no error and solved by Fricas. Output not shown as long
>fricas
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
openServer result 0
FriCAS Computer Algebra System
Version: FriCAS 1.3.10 built with sbcl 2.3.11
Timestamp: Wed Jan 10 09:37:52 PM CST 2024
integrate(1/(b*x^7+a),x)
%no error
Expected Behavior
No exception is expected
Actual Behavior
Exception generated by sagemath
Additional Information
No response
Environment
Linux on Virtual box
lsb_release -a
LSB Version: n/a
Distributor ID: ManjaroLinux
Description: Manjaro Linux
Release: 23.1.4
Codename: Vulcan
sage --version
SageMath version 10.3, Release Date: 2024-03-19
Checklist
I have searched the existing issues for a bug report that matches the one I want to file, without success.
I have read the documentation and troubleshoot guide
The text was updated successfully, but these errors were encountered:
Steps To Reproduce
Using sagemath 10.3 with Fricas :
Sage gives
RuntimeError: no explicit roots found
on an integral which Fricas directly can doSame command works with no error and solved by Fricas. Output not shown as long
Expected Behavior
No exception is expected
Actual Behavior
Exception generated by sagemath
Additional Information
No response
Environment
Checklist
The text was updated successfully, but these errors were encountered: