Problem 4. Let a be a constant and consider the numerical method = Yk + hf(yk + ahf(yk)) used to obtain approximate solutions to the differential equation dy f (y) with y(0) = Yo dt %3D (a) Derive an...


Part B


Problem 4.<br>Let a be a constant and consider the numerical method<br>= Yk + hf(yk + ahf(yk))<br>used to obtain approximate solutions to the differential equation<br>dy<br>f (y) with y(0) = Yo<br>dt<br>%3D<br>(a)<br>Derive an expansion for the leading term of the local truncation error.<br>(b)<br>For what values of a is the numerical method globally second order?<br>

Extracted text: Problem 4. Let a be a constant and consider the numerical method = Yk + hf(yk + ahf(yk)) used to obtain approximate solutions to the differential equation dy f (y) with y(0) = Yo dt %3D (a) Derive an expansion for the leading term of the local truncation error. (b) For what values of a is the numerical method globally second order?

Jun 04, 2022
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