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Could you please help me to understand what the problem is with the solving of the system of equations? Thank you in advance. Cristina
Project: hyperspherical
Path: hyperspherical.ipynb
Views: 142Kernel: SageMath (stable)
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---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-21-23b2cb9ba4cb> in <module>()
----> 1 solve([eq1,eq2,eq3],r2,si,co)
/ext/sage/sage-8.1/local/lib/python2.7/site-packages/sage/symbolic/relation.pyc in solve(f, *args, **kwds)
1048 s = []
1049
-> 1050 sol_list = string_to_list_of_solutions(repr(s))
1051
1052 # Relaxed form suggested by Mike Hansen (#8553):
/ext/sage/sage-8.1/local/lib/python2.7/site-packages/sage/symbolic/relation.pyc in string_to_list_of_solutions(s)
578 from sage.structure.sequence import Sequence
579 from sage.calculus.calculus import symbolic_expression_from_maxima_string
--> 580 v = symbolic_expression_from_maxima_string(s, equals_sub=True)
581 return Sequence(v, universe=Objects(), cr_str=True)
582
/ext/sage/sage-8.1/local/lib/python2.7/site-packages/sage/calculus/calculus.pyc in symbolic_expression_from_maxima_string(x, equals_sub, maxima)
2157 _augmented_syms = {}
2158 except SyntaxError:
-> 2159 raise TypeError("unable to make sense of Maxima expression '%s' in Sage"%s)
2160 finally:
2161 is_simplified = False
TypeError: unable to make sense of Maxima expression '[if((-pi/2<parg(-((3*_SAGE_VAR_r22-3*_SAGE_VAR_r12)*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(2*_SAGE_VAR_r32^2+((-2*_SAGE_VAR_r22)-2*_SAGE_VAR_r12)*_SAGE_VAR_r32+2*_SAGE_VAR_r22^2-2*_SAGE_VAR_r12*_SAGE_VAR_r22+2*_SAGE_VAR_r12^2)))and(parg(-((3*_SAGE_VAR_r22-3*_SAGE_VAR_r12)*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(2*_SAGE_VAR_r32^2+((-2*_SAGE_VAR_r22)-2*_SAGE_VAR_r12)*_SAGE_VAR_r32+2*_SAGE_VAR_r22^2-2*_SAGE_VAR_r12*_SAGE_VAR_r22+2*_SAGE_VAR_r12^2))<==pi/2),[_SAGE_VAR_co==-((2*_SAGE_VAR_r32-_SAGE_VAR_r22-_SAGE_VAR_r12)*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(2*_SAGE_VAR_r32^2+((-2*_SAGE_VAR_r22)-2*_SAGE_VAR_r12)*_SAGE_VAR_r32+2*_SAGE_VAR_r22^2-2*_SAGE_VAR_r12*_SAGE_VAR_r22+2*_SAGE_VAR_r12^2),_SAGE_VAR_r2==(2*_SAGE_VAR_r32+2*_SAGE_VAR_r22+2*_SAGE_VAR_r12)/(3*_SAGE_VAR_d32),_SAGE_VAR_si==-(2*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(_SAGE_VAR_r32+_SAGE_VAR_r22+_SAGE_VAR_r12)],union()),if((-pi/2<parg(((3*_SAGE_VAR_r22-3*_SAGE_VAR_r12)*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(2*_SAGE_VAR_r32^2+((-2*_SAGE_VAR_r22)-2*_SAGE_VAR_r12)*_SAGE_VAR_r32+2*_SAGE_VAR_r22^2-2*_SAGE_VAR_r12*_SAGE_VAR_r22+2*_SAGE_VAR_r12^2)))and(parg(((3*_SAGE_VAR_r22-3*_SAGE_VAR_r12)*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(2*_SAGE_VAR_r32^2+((-2*_SAGE_VAR_r22)-2*_SAGE_VAR_r12)*_SAGE_VAR_r32+2*_SAGE_VAR_r22^2-2*_SAGE_VAR_r12*_SAGE_VAR_r22+2*_SAGE_VAR_r12^2))<==pi/2),[_SAGE_VAR_co==((2*_SAGE_VAR_r32-_SAGE_VAR_r22-_SAGE_VAR_r12)*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(2*_SAGE_VAR_r32^2+((-2*_SAGE_VAR_r22)-2*_SAGE_VAR_r12)*_SAGE_VAR_r32+2*_SAGE_VAR_r22^2-2*_SAGE_VAR_r12*_SAGE_VAR_r22+2*_SAGE_VAR_r12^2),_SAGE_VAR_r2==(2*_SAGE_VAR_r32+2*_SAGE_VAR_r22+2*_SAGE_VAR_r12)/(3*_SAGE_VAR_d32),_SAGE_VAR_si==(2*sqrt(_SAGE_VAR_r32^2+((-_SAGE_VAR_r22)-_SAGE_VAR_r12)*_SAGE_VAR_r32+_SAGE_VAR_r22^2-_SAGE_VAR_r12*_SAGE_VAR_r22+_SAGE_VAR_r12^2))/(_SAGE_VAR_r32+_SAGE_VAR_r22+_SAGE_VAR_r12)],union())]' in Sage
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[x == -sqrt(a), x == sqrt(a)]
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