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anneal

XSPEC> method anneal [<# of eval> [<crit delta> [<start temp> [<temp reduction factor>]]]]

An experimental global minimization method using a simulated annealing algorithm. This needs tuning to work well for X-ray data. <# of eval> is the number of function evaluations to perform before giving up, <crit delta> is the convergence criterion, <start temp> is the initial annealing temperature, and <temp reduction factor> is the fractional reduction in temperature for each cycle.



Keith Arnaud (kaa@genji.gsfc.nasa.gov)
Wed May 28 10:59:33 EDT 1997