Given the hassles with getting electronic systems to respond cleanly all the way down to DC, I'd say this sounds more like a hardware-implementation of the know

Given the hassles with getting electronic systems to respond cleanly all the way down to DC, I'd say this sounds more like a hardware-implementation of the known polynomial-time approximate method: http://en.wikipedia.org/wiki/Subset_sum_problem#Polynomial_time_approximate_algorithm http://en.wikipedia.org/wiki/Subset_sum_problem#Polynomial_t...