DensityMatrix.subtract¶
- DensityMatrix.subtract(other)¶
Return the linear operator self - other.
DEPRECATED: use
state - otherinstead.- Parameters
other (QuantumState) – a quantum state object.
- Returns
the linear combination self - other.
- Return type
LinearOperator
- Raises
QiskitError – if other is not a quantum state, or has incompatible dimensions.