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Chapter 3: Q 3.6-14E (page 131)

By experimenting with the improved Euler鈥檚 method subroutine, find the maximum value over the interval [0,2]of the solution to the initial value problemy'=sin(x+y),y(0)=2 Where does this maximum value occur? Give answers to two decimal places.

Short Answer

Expert verified

The maximum value of the solution on the given conditions and on the interval is 2.359

Step by step solution

01

Find the equation of approximation value

Herey'=sin(x+y),y(0)=2,

For x = 0,yo=2,M = 200, h = 0.1,interval =.0,2

F=f(x,y)=sin(x+y)G=f(x+h,y+hF)=sin(x+y+0.1(1+sin(x+y))

02

Solve for x and y

Apply initial points x=0,y=2,h=0.1

F(0.2)=0.909297G(0.2)=0.813201

x=(x+h)y=x+h2(F+G)

x=0.1y=2.08615

03

Determine the all-other values

Apply the same procedure for all other values and the values are

(x = 0.77, y = 2.359)

(x = 0.78, y = 2.360)

(x = 0.79, y = 2.360)

(x = 0.79, y = 2.359)

Hence, the maximum value of the solution on the given conditions and on the interval is 2.359.

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