Why is IBM Q-Sphere limited to 5 qubits?
Apr 5, 2025 · The Q-sphere view seems to only be limited within what IBM calls the "quantum composer". The limitation is written on this page, and the following circuit from …
ibm q experience - Bit order in IBM Quantum Composer
Jan 2, 2025 · I recently used IBM Quantum Composer to try out a few quantum circuits. It's good but its bit order is LSB to MSB from top to bottom. This is opposite to the bit order that many …
IBM Quantum: Are ibmq_5_yorktown and ibmqx2 different devices?
Aug 6, 2021 · This file from the archived repository ibmq-device-information associates backend name ibmqx2 with display name IBM Q 5 Yorktown. The IBMQ systems page does list a 5 …
How can I get access to IBM Q 20 Tokyo and IBM Q 20 Austin?
How can I get access to IBM Q 20 Tokyo and IBM Q 20 Austin? In the Q- experience site there is written that the access is for IBM clients only and in the profile there is a "promotional code" …
ibm q experience - Find the Q-Experiment tutorial for beginner ...
Dec 5, 2019 · All the tutorials are now on the IBM Q Experience website. They are in the form of Jupyter Notebooks to help you learn about programming with Qiskit. There are also some …
How to implement the 4 Bell states on the IBM Q (composer)?
I would like to simulate the 4 "Bell States" on the IBM composer? How can I best implement those 4 Bell states using the existing set of gates ? Here below you see the definition of the 4 Bell st...
ValueError: The number of qubits of the circuit (127) does not …
Feb 20, 2025 · Then, I want to transfer to the IBM Q platform. The error in the training code block said that ValueError: The number of qubits of the circuit (127) does not match the number of …
ibm q experience - What are examples of quantum computing …
Apr 29, 2020 · IBM Q is (maybe first) quantum computing platform allowing users to register for free and run algorithm on real quantum processors. There are several processors with usually …
ibm q experience - QiskitBackendNotFoundError: 'No backend …
Jan 24, 2024 · I am struggling with the QiskitBackendNotFoundError: 'No backend matches the criteria' even though I am able to see the backends available to me. …
How can I save IBM Quantum API token to local environment?
Jan 11, 2022 · I have an IBM Quantum account. How can I save the IBM Quantum API token to local environment so that I can access services including real quantum systems, simulators …