qiskit.quantum_info.Kraus.expand¶ Kraus.expand(other)[source]¶ Return the reverse-order tensor product with another Kraus. Parameters other (Kraus) -- a Kraus object. Returns the tensor product \(b \otimes a\), where \(a\)is the current Kraus, and \(b\) is the other Kraus. Return type Kraus