Indeed, as Lehmer points out: From the point of view of the discrete-variable device, things need to be counted rather than measured; mathematics is not geometry but arithmetic; the universe is quantized and this includes mathemat- ics. Integrals are but sums, and derivatives are but ...
This work has been carried out with the financial support of the following research projects and contracts: Spanish research grant ESP2015-70014-C2-2-R (MINECO/FEDER) and ESA Contract: RFQ/3-12747/09/NL/JD-CCN4. Acknowledgments Simulation of waveform model, specular point computation, beamform...
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