1.

Find the first-order forward difference approximation of (( frac{ partial u}{ partial x})_{i,j} ) using the Taylor series expansion.

A. ( frac{u_{i,j+1}-u_{i,j}}{2 Delta x} )
B. ( frac{u_{i+1,j}-u_{i,j}}{2 Delta x} )
C. ( frac{u_{i,j+1}-u_{i,j}}{ Delta x} )
D. ( frac{u_{i+1,j}-u_{i,j}}{ Delta x} )
Answer» E.


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