(a) Given the initial value problem sin (r + y) + cos (ry)+ dy =0, y (0) = 0, %3D dr approximate y (1), with h = 0.1 using Euler's method.

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(a) Given the initial value problem
sin (r + y) + cos (ry) +
dy
0, y (0) = 0,
dr
approximate y (1), with h = 0.1 using Euler's method.
(b) The Runge-Kutta method of order 2 (RK2) with h = 0.1 is used to solve
dy
= x + y + xy
da
with y(0) = 1 in order to find y(0.3) correct to four decimal places. Assuming
that the local error in RK2 is given by
y"(E), E E [ri, ri+1],
Ei+1
estimate an upper bound for the global error at a = 0.3.
Transcribed Image Text:(a) Given the initial value problem sin (r + y) + cos (ry) + dy 0, y (0) = 0, dr approximate y (1), with h = 0.1 using Euler's method. (b) The Runge-Kutta method of order 2 (RK2) with h = 0.1 is used to solve dy = x + y + xy da with y(0) = 1 in order to find y(0.3) correct to four decimal places. Assuming that the local error in RK2 is given by y"(E), E E [ri, ri+1], Ei+1 estimate an upper bound for the global error at a = 0.3.
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