[randomsearch]

Entanglement is fundamental to QC, right? So in order to be a useful visualisation of an algorithm, a pictorial representation like a circuit should give some intuition to aid understanding such as: which qubits can potentially be entangled at a given stage in the circuit, etc.

[throwaway37585]

Why is this (or the demo I linked to earlier) not a satisfactory representation?

https://qph.fs.quoracdn.net/main-qimg-1ab704621d3c845630ab6f....