Uses of Class
com.quantum4j.core.math.Complex

Packages that use Complex

Package	Description
com.quantum4j.core.gates	Quantum gate abstractions and standard gate implementations.
com.quantum4j.core.math	Low-level mathematical primitives used by the simulator: complex numbers and state vector representation.

Uses of Complex in com.quantum4j.core.gates

Fields in com.quantum4j.core.gates declared as Complex

Modifier and Type	Field	Description
static final Complex[][]	GateMatrices.CCX
static final Complex[][]	GateMatrices.CH
static final Complex[][]	GateMatrices.CNOT
static final Complex[][]	GateMatrices.CZ
static final Complex[][]	GateMatrices.H
static final Complex[][]	GateMatrices.ISWAP
protected final Complex[][]	SingleQubitGate.matrix	2x2 unitary matrix representing this gate
protected final Complex[][]	ThreeQubitGate.matrix	8×8 unitary matrix in local ordering |q0 q1 q2⟩.
protected final Complex[][]	TwoQubitGate.matrix	4×4 unitary matrix in local ordering |q0 q1⟩ = |00⟩,|01⟩,|10⟩,|11⟩.
static final Complex[][]	GateMatrices.S
static final Complex[][]	GateMatrices.SWAP
static final Complex[][]	GateMatrices.T
static final Complex[][]	GateMatrices.X
static final Complex[][]	GateMatrices.Y
static final Complex[][]	GateMatrices.Z

Methods in com.quantum4j.core.gates that return Complex

Modifier and Type	Method	Description
static Complex[][]	GateMatrices.RX(double theta)
static Complex[][]	GateMatrices.RY(double theta)
static Complex[][]	GateMatrices.RZ(double theta)

Constructors in com.quantum4j.core.gates with parameters of type Complex

Modifier	Constructor	Description
protected	SingleQubitGate(Complex[][] matrix)	Construct a single-qubit gate with the given 2×2 matrix.
protected	ThreeQubitGate(Complex[][] matrix)	Construct a three-qubit gate with the given 8×8 matrix.
protected	TwoQubitGate(Complex[][] matrix)	Construct a two-qubit gate with the given 4×4 matrix.

Uses of Complex in com.quantum4j.core.math

Fields in com.quantum4j.core.math declared as Complex

Modifier and Type	Field	Description
static final Complex	Complex.ONE	Complex one: 1 + 0i
static final Complex	Complex.ZERO	Complex zero: 0 + 0i

Methods in com.quantum4j.core.math that return Complex

Modifier and Type	Method	Description
Complex	Complex.add(Complex other)	Add another complex number to this one.
Complex	Complex.conjugate()	Get the complex conjugate.
Complex[]	StateVector.getAmplitudes()	Get the amplitude array (for direct manipulation by gates).
Complex	Complex.mul(double scalar)	Multiply this complex number by a scalar.
Complex	Complex.mul(Complex other)	Multiply this complex number by another.
Complex	Complex.sub(Complex other)	Subtract another complex number from this one.

Methods in com.quantum4j.core.math with parameters of type Complex

Modifier and Type	Method	Description
Complex	Complex.add(Complex other)	Add another complex number to this one.
Complex	Complex.mul(Complex other)	Multiply this complex number by another.
Complex	Complex.sub(Complex other)	Subtract another complex number from this one.