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Fractional calculus can always exactly describe anomalous diffusion. Recently the discrete fractional difference is becoming popular due to the depiction of non-linear evolution on discrete time domains. This paper proposes a diffusion model with two terms of discrete fractional order. The numerical simulation is given to reveal various diffusion behaviors.
PAPER REVISED: 2015-07-20
PAPER ACCEPTED: 2015-07-28
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THERMAL SCIENCE YEAR 2015, VOLUME 19, ISSUE Issue 4, PAGES [1177 - 1181]
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