Re:IBM has simulated a quantum computer with 56 qubits on a ...
by adamnemecek on Tuesday October 24, 2017 @04:07PM
(#15544819)
This is actually a really long answer but to give you a flavor, on an analog computer, you can sort in o(n) https://en.m.wikipedia.org/wiki/Spaghetti_sort also you have integration and differentiation as primitives.
I imagine error resistance would become incredibly harder. Does information density grow fast enough to compensate it?