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-   -   FDM discretization ...?? (http://www.cfd-online.com/Forums/numeca/51060-fdm-discretization.html)

MS March 2, 2008 20:05

FDM discretization ...??
 
I got a code from someone. In the code, i found a difference expression as

(-f(j-1)-f(j+2)+f(j)+9*f(j+1))/16.

Whats is that for?

MS


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