Weight Function Interface (i_weight_function)

class pypint.integrators.weight_function_providers.i_weight_function.IWeightFunction[source]

Bases: builtins.object

Provider for integration weights functions.

This is an abstract interface for providers of integration weights functions.

evaluate(nodes, interval=None)[source]

Computes weights for given nodes based on set weight function.

Parameters:
  • nodes (numpy.ndarray) – Array of nodes to compute weights for.
  • interval (numpy.ndarray or None) – Array with the interval boundaries. If None the boundaries of the given nodes are used.
Returns:

computed weights – Vector of computed weights.
Return type:

numpy.ndarray

Notes

The implementation and behaviour must and will be defined by specializations of this interface.

init(*args, **kwargs)[source]

Sets and defines the weights function.

Notes

The implementation and behaviour must and will be defined by specializations of this interface. Implementations are allowed to add further named arguments.

__weakref__

list of weak references to the object (if defined)

weights[source]

Accessor for cached computed weights.

Returns:computed weights – Cached computed weights.
Return type:numpy.ndarray