t1: RMSD REFERENCE=frame_1.dat TYPE=OPTIMAL SQUARED
MOVINGRESTRAINT ...
 ARG=t1
 STEP0=0      AT0=1.  KAPPA0=100.0
 STEP1=5000   AT1=5.
 LABEL=steer 
... MOVINGRESTRAINT
PRINT ARG=t1,steer.t1_cntr,steer.t1_work STRIDE=1 FILE=colvar FMT=%8.4f
