Package parsimony :: Package datasets :: Package simulate :: Module grad :: Class L1

Class L1

object --+    
         |    
  Function --+
             |
            L1

Nested Classes

[hide private]

Inherited from Function: __metaclass__

Instance Methods

[hide private]

__init__(self, l, rng=RandomUniform(-1,1))
x.__init__(...) initializes x; see help(type(x)) for signature

source code

grad(self, x)
Sub-gradient of the function

source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables

[hide private]

__abstractmethods__ = frozenset([])

Inherited from Function (private): _abc_cache, _abc_negative_cache, _abc_negative_cache_version, _abc_registry

Properties

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Inherited from object: __class__

Method Details

[hide private]

init(self, l, rng=RandomUniform(-1,1))
(Constructor)

source code

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__: (inherited documentation)

grad(self, x)

source code

Sub-gradient of the function

    f(x) = |x|_1,

where |x|_1 is the L1-norm.

Overrides: Function.grad

Class L1

__init__(self, l, rng=RandomUniform(-1,1)) (Constructor)

grad(self, x)

init(self, l, rng=RandomUniform(-1,1))
(Constructor)