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A python framework for creating, editing, and invoking Noisy Intermediate Scale Quantum (NISQ) circuits. It is a Python library for writing, manipulating, and optimizing quantum circuits and running them against quantum computers and simulators.

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How do I create my own unitary matrices that I can apply to a circuit in Cirq?

The other answers seem outdated, so here is an answer written for Cirq v0.7.0. Applying a unitary matrix is basically constructing a custom gate, and a simple example for a qubit is shown below. … import cirq import numpy as np class QubitPlusGate(cirq.SingleQubitGate): def _unitary_(self): # Our input is q = a[0] + b[1] # And our output becomes q = b[0] + a[1] return …
Thomas Wagenaar's user avatar