Array#

class Array(data, dtype=None, order=None, backend=None)[source]#

Bases: NDArrayOperatorsMixin

Qiskit array class. This class is deprecated as of version 0.5.0 and will be removed in version 0.6.0.

This class provides a Numpy compatible wrapper to supported Python array libraries. Supported backends are "numpy" and "jax".

Initialize an Array container.

Parameters:

  • data (Any) – An array_like input. This can be an object of any type supported by the registered \(asarray\) method for the specified backend.

  • dtype (Optional[Any]) – Optional. The dtype of the returned array. This value must be supported by the specified array backend.

  • order (Optional[str]) – Optional. The array order. This value must be supported by the specified array backend.

  • backend (Optional[str]) – A registered array backend name. If None the default array backend will be used.

Raises:

ValueError – If input cannot be converted to an Array.

Methods

classmethod available_backends()[source]#

Return a tuple of available array backends.

Return type:

Set[str]

classmethod default_backend()[source]#

Return the default array backend.

Return type:

str

classmethod set_default_backend(backend)[source]#

Set the default array backend.

Attributes

backend#

The backend of the wrapped array class.

data#

The wrapped array data object.