Find the central second difference of u in y-direction using the Taylo – McqOptions

MCQOPTIONS

1.	Find the central second difference of u in y-direction using the Taylor series expansion.
A.	( frac{u_{i,j+1}+2u_{i,j}+u_{i,j-1}}{( Delta y)^2} )
B.	( frac{u_{i,j+1}-2u_{i,j}+u_{i,j-1}}{( Delta y)^2} )
C.	( frac{u_{i,j+1}-2u_{i,j}-u_{i,j-1}}{( Delta y)^2} )
D.	( frac{u_{i,j+1}+2u_{i,j}-u_{i,j-1}}{( Delta y)^2} )
Answer» C. ( frac{u_{i,j+1}-2u_{i,j}-u_{i,j-1}}{( Delta y)^2} )

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