:term:`HESS_UPDATE_LIMIT_MAX <HESS_UPDATE_LIMIT_MAX (OPTKING)>`
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      If :term:`HESS_UPDATE_LIMIT <HESS_UPDATE_LIMIT (OPTKING)>` is true, changes to the Hessian from the update are limited to the larger of :term:`HESS_UPDATE_LIMIT_SCALE <HESS_UPDATE_LIMIT_SCALE (OPTKING)>` * (the previous value) and HESS_UPDATE_LIMIT_MAX [au].

      * **Type**: double
      * **Default**: 1.00