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Journal of Applied Mathematics
Volume 2014, Article ID 703969, 9 pages
Research Article

Progress and Regress of Time Dependent Data and Application in Bank Branch

Department of Mathematics, Islamic Azad University, Science & Research Branch, Iran

Received 23 January 2014; Accepted 1 February 2014; Published 23 April 2014

Academic Editor: Mohammad Khodabakhshi

Copyright © 2014 F. Hosseinzadeh Lotfi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


To evaluate each decision making unit having time dependent inputs and outputs data, a new method has been developed and reported here. This method uses the Malmquist productivity index, and is a very simple function based on Cubic Spline function to determine the progress and regress of that unit. To show the capability of this developed method, the data of 9 branches of a commercial bank has been used, evaluated, and reported.