Symbol varepsilon
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The reason NISQ-era hardware imposes such a hard ceiling on quantum machine learning specifically is a simple compounding effect. If a device executes a circuit of N sequential gates, each with per-gate fidelity 1- , and errors accumulate independently, the probability the whole circuit runs without error falls off as
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Equation 13 · Future Hardware
From Origins to Frontier: A History of Post-CMOS, Neuromorphic, Photonic, and Quantum AI Compute
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The reason NISQ-era hardware imposes such a hard ceiling on quantum machine learning specifically is a simple compounding effect. If a device executes a circuit of N sequential gates, each with per-gate fidelity 1- , and errors accumulate independently, the probability the whole circuit runs without error falls off as
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