scqubits.core.operators.iadag_minus_ia_sparse#
- scqubits.core.operators.iadag_minus_ia_sparse(dimension, prefactor=None)[source]#
Operator matrix for prefactor(ia-ia^dag) of size dimension x dimension as ndarray
- Parameters:
dimension (
int
) – matrix sizeprefactor (
Union
[float
,complex
,None
]) – prefactor multiplying the number operator matrix (if not given, this defaults to 1)
- Return type:
csc_matrix
- Returns:
prefactor (ia - ia^dag) as sparse operator matrix, size dimension x dimension