The truncation error in a finite difference expansion is (-( frac{ pa – McqOptions

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1.	The truncation error in a finite difference expansion is (-( frac{ partial^2 u}{ partial x^2})_{i,j} frac{ Delta x}{2}-( frac{ partial^3 u}{ partial x^3})_{i,j} frac{( Delta x)^3}{6} ). What is the order of accuracy of the finite difference equation?
A.	1
B.	2
C.	-2
D.	-1
Answer» B. 2

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