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Find the local truncation error of the mid-point method given by (3.5).
- Find the local truncation error of the trapezoidal rule given by (3.9).
- Find condition on the value of
such that if the mid-point method is used to solve
![](Images/image065.png)
over
, then the error will be ![](Images/image069.png)
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Determine the order of the method given by
![](Images/image071.png)
where
.
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Prove that the differential equation y'
at is solved exactly by the mid-point method (3.5).
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Show that the method given by
![](Images/image071.png)
is of order 3.
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Let
. Prove that the single-step method defined by the increment function
![](Images/image081.png)
has order 3.
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Determine the principal error function of the trapezoidal method given by (3.9).
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Show that for the problem
![](Images/image083.png)
the midpoint method is identical with the Taylor series method of order 2, and the classical Runge-Kutta method is identical with the Taylor series method of order 4.