What is the total variation of a flow variable ( ) at a particular tim – McqOptions

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1.	What is the total variation of a flow variable ( ) at a particular time step t?
A.	TV<sup>t</sup>= <sub>i</sub> <sub>i+1</sub>- <sub>i</sub>
B.	TV<sup>t</sup>= <sub>n</sub> <sub>n</sub>dn
C.	TV<sup>t</sup>= <sub>i</sub> <sub>(i+1)</sub> <sub>i</sub>
D.	TV<sup>t</sup>= <sub>i</sub> <sub>(i+1)</sub> <sub>i</sub>
Answer» E.

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