. Author manuscript; available in PMC: 2019 Jun 30.
Published in final edited form as: Computation (Basel). 2018 Nov 14;6(4):58. doi: 10.3390/computation6040058
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).