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1 vote
1 answer
89 views

New QASM2ParseError for old circuit on IBM composer

A while ago I wrote an example of quantum teleportation circuit in the IBM Composer which ran fine as of three days ago. Yesterday, however, when I try to run the circuit, I get the following error: ...
Lachlan Belcher's user avatar
4 votes
0 answers
35 views

How does it work QasmSimulator with the option "density matrix"?

I am making some simulations on IBM Quantum Lab and as backend I tried to use QasmSimulator(method = "density_matrix") in order to simulate noise. I wanted to know how this method works in ...
Natale Matranga's user avatar
2 votes
1 answer
134 views

Is it possible to modify pulse schedules in QASM?

Is it possible to modify a pulse schedule of a circuit compiled using QASM? I know this is possible using OpenPulse, but it seems none of the IBM backends support OpenPulse. So is it possible to do ...
user14536's user avatar
1 vote
1 answer
1k views

How can I install the 'ibmq_qasm_simulator' backend?

I'm having trouble running the following cell: The system told me "The 'ibmq_qasm_simulator' backend is not installed in your system." I'm so confused. Is there a way I can install this backend in my ...
ZR-'s user avatar
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