jsondecode error occurring while running the quantum computer
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Kiwon Jeong
on 1 Jul 2024 at 17:37
Commented: Steven Lord
on 2 Jul 2024 at 17:28
Hello, I am a graduate student recently studying quantum computers. I heard that it is possible to run a quantum computer through MATLAB, so I tried to implement a simple example, but a transpile error occurred. I looked at the bug reports and tried again. The task was successfully completed, but when I used the fetchOutput function to see the results, the following error occurred. From the error details, it seems that the response is not in a suitable data format for using jsondecode. What should I do?
>> fetchOutput(task)
An error occurred during the following usage: jsondecode The JSON text must be a character vector or a scalar of string type that is not a missing value.
error ocurrence: quantum.internal.ibm.getQuantumTaskResults (12rh line)
results = jsondecode(response);
error ocurrence: quantum.backend.QuantumTaskIBM/fetchOutput (224th line)
results = quantum.internal.ibm.getQuantumTaskResults(obj.Credentials, obj.TaskID);
Please note that I am using the Korean version of MATLAB, so the error message might be different from the English version, but the meaning is the same.
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Accepted Answer
Steven Lord
on 1 Jul 2024 at 18:05
2 Comments
Steven Lord
on 2 Jul 2024 at 17:28
Hmm. The developers are investigating this error and we will update this Answers post with more information as it becomes available.
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