HHL算法的Qiskit实现 为了让代码足够精炼,我们引入以下函数(在安装和使用torch库时可能出现和新版numpy不兼容的情况,回顾第01讲的方法,在“Python Packages”中找到numpy,卸载,安装1.x.x版本即可): importnumpyasnpfromqiskitimportQuantumCircuit,transpileimporttorchfromqiskit.circuit.libraryimportRYGatefromqiskit.provider...
HHL algorithm takes epsilon parameter, which is the precision of solution vector, but in some cases the returned solution violates this error boundary. How can we reproduce the issue? import numpy as np import time import qiskit from qiskit import QuantumCircuit from qiskit.algorithms.linear_solvers...
This is an exponential speed up in the size of the system, however one crucial remark to keep in mind is that the classical algorithm returns the full solution, while the HHL can only approximate functions of the solution vector. Examples import numpy as np from qiskit import QuantumCircuit ...
Matlab code corresponding to the numerical example is available for students to gain a deeper understanding of the HHL algorithm from a pure matrix point of view. A quantum circuit programmed using qiskit is also provided for real hardware execution in IBM quantum computers. After going through ...
Simulation experiments on IBM's Qiskit (virtual machine) show that our proposed algorithm cannot only significantly reduce quantum resource consumption, but also improve simulation accuracy compared with the HHL algorithm. In addition, we have established a search-based circuit mapping which considers ...