scqubits.core.operators.number¶ scqubits.core.operators.number(dimension, prefactor=None)[source]¶ Number operator matrix of size dimension x dimension in sparse matrix representation. An additional prefactor can be directly included in the generation of the matrix by supplying ‘prefactor’. Parameters: dimension (int) – matrix dimension prefactor (Optional[Union`[:py:class:`float, complex]]) – prefactor multiplying the number operator matrix Return type: ndarray Returns: number operator matrix, size dimension x dimension