Unanswered Questions
131 questions with no upvoted or accepted answers
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IBM quantum composer possible bug?(state amplitudes of quantum circuit)
I have this quantum circuit:
and from the IBM quantum composer I get this state amplitudes:
I wanted to flip the target qubit and keep only its pure state however this is not what I am getting.I am ...
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245
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How to use more than 3 classical registers in a single quantum circuit in Qiskit without getting error: not enough memory slots?
I'm trying to run a quantum circuit on qasm simulator which has more than 3 classical registers. It gives error when I try to execute it. The circuit looks ...
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210
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IBM Quantum Lab - Server unavailable or unreachable. Would you like to restart?
In the following circuit, I want to perform tomography on the qubits 0,1,2,3 after qubits 4,5,6,7,8,9 are measured.
I run the circuit using with measurement gates on qubits 4,5,6,7,8,9 with the ...
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Is there a way to connect a IBM quantum lab code to an Unreal Engine project?
I would like to know whether someone tried this before, I'm interested in be able to connect this tools. I know that Unreal Engine has a plugin to program with python, that all I know. I'll really ...
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415
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Maximum depth of a circuit in IBM
Given Quantum Volume and number of qubits of a IBMQ device, what is the formula to calculate the maximum depth of the circuit that gives high fidelity?
For example: Let us consider ...
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90
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How to simplify a circuit with repeated same parts?
If I have a circuit with 3 qubits and repeated gates as follow:
...
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42
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Process 3 MB of data in IBM
How can I process a 3 MB csv file in IBMQ?
The memory shows 433 MB. Is this the maximum file size that I can upload and process in IBMQ?
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183
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IBMQ - Total samples exceeds the maximum number of samples for channel [8002]
I'm trying to run some pulse schedules on ibmq_bogota but I'm running into this error:
There are 99 "circuits"/pulse schedules in this job. When I try to ...
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238
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The analogous IBM circuit representation for the quantum scheme
I am trying to implement a quantum scheme of sharing a secret via EPR states. Here is my initial state of 6 qubits \begin{equation} |\psi\rangle=\left(\dfrac{|0\rangle_1|0\rangle_2+ |1\rangle_1|1\...
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2
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Instruction h is not supported
I'm new at quantum computing and I'm trying to run a script with IBM quantum. I'm using brisbane and getting that error "Instruction h is not supported". I get the same error for cx gate as ...
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Unable to instantiate provider for research account locally
When I run IBMQ.load_account(). I have the error information:
...