Package sage :: Package rings :: Module laurent_series_ring :: Class LaurentSeriesRing
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Type LaurentSeriesRing

               Gens --+        
                      |        
               Ring --+        
                      |        
         object --+   |        
                  |   |        
_uniqPolynomialRing --+        
                      |        
         PolynomialRing --+    
                          |    
             object --+   |    
                      |   |    
   _uniqPowerSeriesRing --+    
                          |    
            PowerSeriesRing --+
                              |
                 object --+   |
                          |   |
     _uniqLaurentSeriesRing --+
                              |
                             LaurentSeriesRing


Univariate Laurent Series Ring

The Laurent series ring is just pairs a unit polynomial (or 0) and an integer (the valuation).
Method Summary
  __init__(self, base_ring, variable)
  __call__(self, x)
  __cmp__(self, other)
  __repr__(self)
    Inherited from PowerSeriesRing
  random(self, degree, bound)
Return a random polynomial.
    Inherited from PolynomialRing
  __contains__(self, x)
  base_ring(self)
  characteristic(self)
  cyclotomic_polynomial(self, n)
The nth cyclotomic polynomial, which is irreducible and has a primitive nth root of unity as root.
  gen(self, n)
If this is R[x], this intrinsic returns x.
  is_field(self)
  is_sparse(self)
  name(self)
  ngens(self)
  polynomial(self, *args, **kwds)
  set_variable(self, variable)
  variable(self)
Returns the string which is used to print the generator of the polynomial ring.
    Inherited from object
  __delattr__(...)
x.__delattr__('name') <==> del x.name
  __getattribute__(...)
x.__getattribute__('name') <==> x.name
  __hash__(x)
x.__hash__() <==> hash(x)
  __reduce__(...)
helper for pickle
  __reduce_ex__(...)
helper for pickle
  __setattr__(...)
x.__setattr__('name', value) <==> x.name = value
  __str__(x)
x.__str__() <==> str(x)
    Inherited from Ring
  is_atomic_repr(self)
True if the elements have atomic string representations, in the sense that they print if they print at s, then -s means the negative of s.
  type(self)
    Inherited from Gens
  __getattr__(self, attrname)
  __getitem__(self, n)
  __getslice__(self, n, m)
  gens(self)
  list(self)

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