qamomile 0.4.0

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Qamomile

Qamomile is a powerful SDK designed for quantum optimization algorithms, specializing in the conversion of mathematical models into quantum circuits. It serves as a bridge between classical optimization problems and quantum computing solutions.

Documentation: https://jij-inc.github.io/Qamomile/

Features

• Versatile Compatibility: Supports leading quantum circuit SDKs including Qiskit and QuriParts.
• Advanced Algorithm Support: Implements sophisticated encoding and algorithms like QAOA and QRAO.
• Flexible Model Conversion: Utilizes JijModeling for describing mathematical models and converting them to various quantum circuit SDKs.
• Intermediate Representation: Capable of representing both Hamiltonians and quantum circuits as intermediate forms.
• Standalone Functionality: Can implement quantum circuits independently, similar to other quantum circuit SDKs.

Installation

To install Qamomile, use pip:

pip install qamomile

For optional dependencies:

pip install qamomile[qiskit]  # For Qiskit integration
pip install qamomile[quri-parts]  # For QuriParts integration

Quick Start

Here's a simple example of how to use Qamomile with QAOA:

import jijmodeling as jm
import jijmodeling_transpiler.core as jmt
from qamomile.core.converters.qaoa import QAOAConverter
from qamomile.qiskit.transpiler import QiskitTranspiler

# Define QUBO problem
Q = jm.Placeholder("Q", ndim=2)
n = Q.len_at(0, latex="n")
x = jm.BinaryVar("x", shape=(n,))
problem = jm.Problem("qubo")
i, j = jm.Element("i", n), jm.Element("j", n)
problem += jm.sum([i, j], Q[i, j] * x[i] * x[j])

# Prepare instance data
instance_data = {"Q": [[0.1, 0.2, -0.1], [0.2, 0.3, 0.4], [-0.1, 0.4, 0.0]]}

# Compile the problem
compiled_instance = jmt.compile_model(problem, instance_data)

# Create QAOA converter
qaoa_converter = QAOAConverter(compiled_instance)

# Create Qiskit transpiler
qiskit_transpiler = QiskitTranspiler()

# Get QAOA circuit
p = 2  # Number of QAOA layers
qaoa_circuit = qaoa_converter.get_qaoa_ansatz(p)

# Convert to Qiskit circuit
qiskit_circuit = qiskit_transpiler.transpile_circuit(qaoa_circuit)

# ... (continue with quantum execution and result processing)

Documentation

For more detailed information, please refer to our documentation.

Contributing

We welcome contributions! Please see our Contributing Guide for more details.

License

Qamomile is released under the Apache 2.0 License.