Directives

directives	Directives to modify the objective function between iterations of an inversion.
directives.Irls(*args, data_misfit[, ...])	Apply iterative reweighed least squares (IRLS).
directives.MultiplierCooler(...[, cooling_rate])	Cool the multiplier of an objective function.
directives.UpdateSensitivityWeights(*args, ...)	Update sensitivity weights on regularizations.