Quantum Computing, Quantum Computer, Qiskit, Quantum Physics, Python.
is: From a quantum circuit perspective, a matrix that operates in a qubit and modifies it is called a gate. The X matrix depicted here represent the NOT gate. import numpy as np v0 = np.array([[1],[0]]);v0 # make a |0> state vector array([[1], [0]]) v1 = np.array([[0],[1]]); v1 # make a |1> state