Sage gave me the message
Traceback (most recent call last): print'%4s %4s %4s %4s %4s %4s %4s %4s'%(a,b,c,d,p,Nr(a,b,c,d,p),z1.subs(a=a,b=b,c=c,d=d,p=p),Nz1.subs(a=a,b=b,c=c,d=d,p=p)) File "", line 1, in <module>
File "/tmp/tmpyutrvn/___code___.py", line 3, in <module> exec compile(u"for a in im:\n for b in range(_sage_const_16 ):\n for c in range(_sage_const_16 ):\n for d in range(_sage_const_16 ):\n for p in ps2:\n if Nr(a,b,c,d,p)%_sage_const_16 ==_sage_const_2 and (H1.subs(a=a,b=b,c=c,d=d,p=p)).denominator()==_sage_const_1 and H1.subs(a=a,b=b,c=c,d=d,p=p)%_sage_const_8 ==_sage_const_1 :\n print'%4s %4s %4s %4s %4s %4s %4s %4s'%(a,b,c,d,p,Nr(a,b,c,d,p),z1.subs(a=a,b=b,c=c,d=d,p=p),Nz1.subs(a=a,b=b,c=c,d=d,p=p))" + '\n', '', 'single') File "", line 6, in <module>
File "expression.pyx", line 6324, in sage.symbolic.expression.Expression.denominator (sage/symbolic/expression.cpp:24114) File "expression.pyx", line 448, in sage.symbolic.expression.Expression._maxima_ (sage/symbolic/expression.cpp:3674) File "sage_object.pyx", line 439, in sage.structure.sage_object.SageObject._interface_ (sage/structure/sage_object.c:3622) File "/home/pquiroz/Escritorio/sage-4.7-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 1105, in __call__ return cls(self, x, name=name) File "/home/pquiroz/Escritorio/sage-4.7-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 1535, in __init__ self._name = parent._create(value, name=name) File "/home/pquiroz/Escritorio/sage-4.7-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 1294, in _create self.set(name, value) File "/home/pquiroz/Escritorio/sage-4.7-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/local/lib/python2.6/site-packages/sage/interfaces/maxima.py", line 1200, in set self._eval_line(cmd) File "/home/pquiroz/Escritorio/sage-4.7-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/local/lib/python2.6/site-packages/sage/interfaces/maxima.py", line 759, in _eval_line assert line_echo.strip() == line.strip() AssertionError
I don't understand what is happening here and how to solve it.