* @brief Get Qubit by physics addr * @param[in] int qaddr target qubit phy addr * @return Qubit* */

\returns the number of coefficients, which is rows()*cols(). * \sa rows(), cols(), SizeAtCompileTime. */

Get Qubits to construct Quantum Circuit. Args ---------- qubit_num : int The Qubits number you need to use in cir

Resizes the matrix to a \a rows x \a cols matrix and initializes it to zero * \sa resizeNonZeros(Index), reserve(), setZero() */

* @brief Get the Expr Ptr * @return std::shared_ptr<CExpr> */

Total number of elements

Returns the number of TestPartResult objects in the array.

Get Cbits to construct Quantum Circuit. Args ---------- cbit_num : int The Cbits number you need to use in circui

Returns the underlying ostream.

\returns the value of the matrix at position \a i, \a j * This function returns Scalar(0) if the element is an explicit \em zero */

Clear any existing decomposition * \sa rankUpdate(w,sigma) */

\returns a view of the upper triangular matrix U */