Le dimanche 12 septembre 2021 à 11:02:07 UTC+2, Emmanuel Charpentier a écrit :
> I can't reproduce your problem on 9.5.beta0 installed from source on > Debian testing running on core i7 + 16 GB RAM. > > - What version of Sage do you use ? > - On which platform ? > - How did-you install-it ? > > This information is decessary to try to understand and diagnose your > problem. > I forgot to add : - What platform did you use (notebook, command line, emacs, etc...) ? > Le samedi 11 septembre 2021 à 12:58:10 UTC+2, [email protected] a écrit : > >> Hola,all! >> When I use the function solve(),an error occur and I fail to find >> solutions. >> Needing help! >> CODE: >> solve(x,x) >> >> OUT: >> UnicodeEncodeError Traceback (most recent call last) >> <ipython-input-1-6e1b29585f6f> in <module> ----> 1 solve(x,x) >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/symbolic/relation.py >> >> in solve(f, *args, **kwds) 1041 1042 if is_Expression(f): # f is a >> single expression -> 1043 return _solve_expression(f, x, >> explicit_solutions, multiplicities, to_poly_solve, solution_dict, >> algorithm, domain) 1044 1045 if not isinstance(f, (list, tuple)): >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/symbolic/relation.py >> >> in _solve_expression(f, x, explicit_solutions, multiplicities, >> to_poly_solve, solution_dict, algorithm, domain) 1280 1281 # from here >> on, maxima is used for solution -> 1282 m = ex._maxima_() 1283 P = >> m.parent() 1284 if explicit_solutions: >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/symbolic/expression.pyx >> >> in sage.symbolic.expression.Expression._maxima_ >> (build/cythonized/sage/symbolic/expression.cpp:7963)() 1020 # Maybe not >> such a great idea because the "default" interface is another one 1021 >> from sage.calculus.calculus import maxima -> 1022 return super(Expression, >> self)._interface_(maxima) 1023 else: 1024 return super(Expression, >> self)._interface_(session) >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/structure/sage_object.pyx >> >> in sage.structure.sage_object.SageObject._interface_ >> (build/cythonized/sage/structure/sage_object.c:5480)() 678 except >> (KeyError, ValueError): 679 pass --> 680 nm = I.name() 681 init_func = >> getattr(self, '_%s_init_' % nm, None) 682 if init_func is not None: >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx >> >> in sage.misc.lazy_import.LazyImport.__getattr__ >> (build/cythonized/sage/misc/lazy_import.c:3876)() 326 True 327 """ --> >> 328 return getattr(self.get_object(), attr) 329 330 # We need to wrap >> all the slot methods, as they are not forwarded >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx >> >> in sage.misc.lazy_import.LazyImport.get_object >> (build/cythonized/sage/misc/lazy_import.c:2436)() 188 if >> likely(self._object is not None): 189 return self._object --> 190 return >> self._get_object() 191 192 cpdef _get_object(self): >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx >> >> in sage.misc.lazy_import.LazyImport._get_object >> (build/cythonized/sage/misc/lazy_import.c:2710)() 221 print(f"Option >> ``at_startup=True`` for lazy import {self._name} not needed anymore") 222 >> try: --> 223 self._object = getattr(__import__(self._module, {}, {}, >> [self._name]), self._name) 224 except ImportError as e: 225 if >> self._feature: >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/interfaces/maxima_lib.py >> >> in <module> 88 from sage.symbolic.ring import SR 89 ---> 90 from >> sage.libs.ecl import EclObject, ecl_eval 91 92 from .maxima_abstract >> import (MaximaAbstract, MaximaAbstractFunction, >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/libs/ecl.pyx in >> init sage.libs.ecl (build/cythonized/sage/libs/ecl.c:13899)() 1398 >> return ecl_wrap(o) 1399 -> 1400 init_ecl() >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/libs/ecl.pyx in >> sage.libs.ecl.init_ecl (build/cythonized/sage/libs/ecl.c:5084)() 280 >> (setf (logical-pathname-translations "TMP") 281 '(("**;*.*" >> "%s/**/*.*"))) --> 282 """ % str_to_bytes(str(ECL_TMP)))) 283 284 # We >> define our own error catching eval, apply and funcall/ >> /opt/sagemath-9.3/local/lib/python3.7/site-packages/sage/cpython/string.pxd >> in sage.cpython.string.str_to_bytes >> (build/cythonized/sage/libs/ecl.c:11601)() 75 if isinstance(s, bytes): 76 >> return s ---> 77 return _str_to_bytes(s, encoding, errors) >> UnicodeEncodeError: 'utf-8' codec can't encode characters in position >> 26-27: surrogates not allowed >> > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/0f395699-c661-4842-ae0c-ac0237597acfn%40googlegroups.com.
