remove superfluous and/or confusing documentation

nifty4/field.py

@@ -46,15 +46,6 @@ class Field(object):
         A numpy.type. Most common are float and complex.
 
     copy: boolean
-
-    Attributes
-    ----------
-    val : data_object
-
-    domain : DomainTuple
-
-    dtype : type
-        Contains the datatype stored in the Field.
     """
 
     def __init__(self, domain=None, val=None, dtype=None, copy=False):

nifty4/minimization/line_search.py

@@ -29,13 +29,6 @@ class LineSearch(with_metaclass(abc.ABCMeta,
     Initialize the line search procedure which can be used by a specific line
     search method. It finds the step size in a specific direction in the
     minimization process.
-
-    Attributes
-    ----------
-    line_energy : LineEnergy Object
-        LineEnergy object from which we can extract energy at a specific point.
-    preferred_initial_step_size : float
-        Initial guess for the step length.
     """
 
     def __init__(self):

nifty4/minimization/line_search_strong_wolfe.py

@@ -48,19 +48,6 @@ class LineSearchStrongWolfe(LineSearch):
     max_zoom_iterations : integer
         Maximum number of iterations performed by the zoom algorithm.
         (Default: 10)
-
-    Attributes
-    ----------
-    c1 : float
-        Parameter for Armijo condition rule.
-    c2 : float
-        Parameter for curvature condition rule.
-    max_step_size : float
-        Maximum step allowed in to be made in the descent direction.
-    max_iterations : integer
-        Maximum number of iterations performed by the line search algorithm.
-    max_zoom_iterations : integer
-        Maximum number of iterations performed by the zoom algorithm.
     """
 
     def __init__(self, c1=1e-4, c2=0.9,

nifty4/operators/diagonal_operator.py

@@ -44,11 +44,6 @@ class DiagonalOperator(EndomorphicOperator):
         The elements of "domain" on which the operator acts.
         If None, it acts on all elements.
 
-    Attributes
-    ----------
-    domain : DomainTuple
-        The domain on which the Operator's input Field lives.
-
     NOTE: the fields given to __init__ and returned from .diagonal() are
     considered to be non-bare, i.e. during operator application, no additional
     volume factors are applied!

nifty4/operators/endomorphic_operator.py

@@ -25,14 +25,6 @@ class EndomorphicOperator(LinearOperator):
     The  NIFTy EndomorphicOperator class is a class derived from the
     LinearOperator. By definition, domain and target are the same in
     EndomorphicOperator.
-
-    Attributes
-    ----------
-    domain : DomainTuple
-        The domain on which the Operator's input Field lives.
-    target : DomainTuple
-        The domain in which the outcome of the operator lives. As the Operator
-        is endomorphic this is the same as its domain.
     """
 
     @property

nifty4/operators/scaling_operator.py

@@ -35,11 +35,6 @@ class ScalingOperator(EndomorphicOperator):
         The multiplication factor
     domain : tuple of DomainObjects
         The domain on which the Operator's input Field lives.
-
-    Attributes
-    ----------
-    domain : DomainTuple
-        The domain on which the Operator's input Field lives.
     """
 
     def __init__(self, factor, domain):