dq.isqarraylike

isqarraylike(x: Any) -> bool

Returns True if the input is a qarray-like.

Parameters:

• x –

  Any object.

Returns:

• True if x is a numeric types (bool, int, float, complex), a NumPy or JAX array, a Dynamiqs qarray, a QuTiP qobj, or any nested sequence of these types.

See also

• dq.asqarray(): converts a qarray-like into a qarray.

Examples:

>>> dq.isqarraylike(1)
True
>>> dq.isqarraylike(qt.fock(5, 0))
True
>>> dq.isqarraylike([qt.fock(5, 0), qt.fock(5, 1)])
True