The mutation_scale specifies a scale factor which scales continuous mutation
offsets; this is a fraction of the total range of each dimension, so
mutation_scale is a relative value between 0 and 1.
Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525.