DELSPR,<start>,[end],[stride]
Delete nonlinear springs that are in ACS-SASSI User Interface memory. This command will only delete information created by the use of the S command. The command will not modify the element data or any other linear or nonlinear model data.
start - the starting backbone curve to delete
end - the last backbone curve to delete (default = start)
stride - stride increment for deleting backbone curves (default = 1) The command will warn the user that the default stride was used if the argument is left blank or the user gives a stride value less than 1.