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lfs [2018/08/07 17:49]
anna created
lfs [2018/08/12 12:04] (current)
anna [A system can be represented in several forms.]
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 For the difference case: **ξ(y(x)) = y(x+1)**. For the difference case: **ξ(y(x)) = y(x+1)**.
-For the q-difference case: **ξ(y(x)) = y(q x)**.+For the q-difference case: **ξ(y(x)) = y(q x)**, where **q** is a name or an integer large then **1**.
 ===== Source ===== ===== Source =====
lfs.txt · Last modified: 2018/08/12 12:04 by anna
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