def _repr_(self):
"""
Return a string representation of this system.
EXAMPLE::
sage: P.<a,b,c,d> = PolynomialRing(GF(127))
sage: I = sage.rings.ideal.Katsura(P)
sage: F = Sequence(I); F # indirect doctest
[a + 2*b + 2*c + 2*d - 1,
a^2 + 2*b^2 + 2*c^2 + 2*d^2 - a,
2*a*b + 2*b*c + 2*c*d - b,
b^2 + 2*a*c + 2*b*d - c]
If the system contains 20 or more polynomials, a short summary
is printed::
sage: sr = mq.SR(allow_zero_inversions=True,gf2=True)
sage: F,s = sr.polynomial_system(); F
Polynomial Sequence with 36 Polynomials in 20 Variables
"""
if len(self) < 20:
return Sequence_generic._repr_(self)
else:
return "Polynomial Sequence with %d Polynomials in %d Variables"%(len(self),self.nvariables())
def _repr_(self):
"""
Return a string representation of this system.
EXAMPLE::
sage: P.<a,b,c,d> = PolynomialRing(GF(127))
sage: I = sage.rings.ideal.Katsura(P)
sage: F = Sequence(I); F # indirect doctest
[a + 2*b + 2*c + 2*d - 1,
a^2 + 2*b^2 + 2*c^2 + 2*d^2 - a,
2*a*b + 2*b*c + 2*c*d - b,
b^2 + 2*a*c + 2*b*d - c]
If the system contains 20 or more polynomials, a short summary
is printed::
sage: sr = mq.SR(allow_zero_inversions=True,gf2=True)
sage: F,s = sr.polynomial_system(); F
Polynomial Sequence with 56 Polynomials in 20 Variables
"""
if len(self) < 20:
return Sequence_generic._repr_(self)
else:
return "Polynomial Sequence with %d Polynomials in %d Variables"%(len(self),self.nvariables())
