Set limits to variables

This operation sets boundaries on the variables used in the least square fitting operation. This is done via a supplementary constraint that uses an internally defined penalty function. When boundaries are in use the achieved value for the fit function will depend strongly on the distance between the "ideal" minimum and the boundary values when that minimum is outside the boundaries. Choice of weights will change greatly the final values achieved.

Input format 


SET Limits on variables ......(up to 80 characters) 


name keyword upper lower weight distance 

........................................ 


name keyword upper lower weight distance 


99,

Parameter definitions

Name $\parbox{10cm}{Name of the element for which some parameter will be affected by boundaries. }$

Keyword $\parbox{10cm}{ Keyword of the parameter to be affected by the boundaries. }$

Upper Lower $\parbox{10cm}{ The upper and lower boundaries affecting the parameter. }$

Weight $\parbox{10cm}{ The weight that is applied to the boundary constraint. }$

Distance $\parbox{10cm}{ A distance parameter that serves to indicate some ... ...t. That distance is progressively reduced as the iterations step increases. }$