A computer will be required for the problem. In this Problem, an initial value problem and its exact solution are given. In each of these four problems, use the Runge–Kutta method with step sizes h = 0.1 and h = 0.05 to approximate to five decimal places the values x(1) and y(1). Compare the approximations with the actual values.   x' = x + 2y,     x(0) = 0,   y' = x + e-t,    y(0) = 0;     x(t) = 1/9 (2e2t -2e-t + 6te-t); y(t) = 1/9 (e2t -e-t + 6te-t);

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Section2.1: Tables And Trends
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A computer will be required for the problem. In this Problem, an initial value problem and its exact solution are given. In each of these four problems, use the Runge–Kutta method with step sizes h = 0.1 and h = 0.05 to approximate to five decimal places the values x(1) and y(1). Compare the approximations with the actual values.
 
x' = x + 2y,     x(0) = 0,
 
y' = x + e-t,    y(0) = 0;
 
 
x(t) = 1/9 (2e2t -2e-t + 6te-t);
y(t) = 1/9 (e2t -e-t + 6te-t);

 

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