RasCal is a MATlab programme for analysing neutron reflectivity data.Read the instructions manual carefully and don’t forget to set your resolution according to the experiment. It is possible to vary many parameters in Rascal by going Edit>Edit Project and clicking into either paramteres or experimental parameters. If you feel your adjustments during data reduction were not precise RasCal can fit the scaale factor and Qz shift as a part of the fitting procedure in a constrained way just as with the regualr parameters.
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