What is the term below referred to and how is it derived?

Question

Accepted Answer

It is the truncation error, and it is derived by summing the Taylor expansions of h i+1  and h i-1 .

Answer

It is the central derivative, and it is obtained by a finite difference scheme.

Answer

It is the fourth order derivative of hydraulic head, and it is derived by differentiating h four times in the x-direction.

Answer

It is the Taylor expansion of the fourth order, and it is derived by a Taylor expansion of h i+1 .

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