Statistics and Numerical Methods: Unit V: Numerical Solution of Ordinary Differential Equations

Exercise 5.1 [Taylor's Series Method]

Solved Example Problems

Using Taylor's Series method, solve the following problems.

EXERCISE 5.1 [Taylor's Series Method]

Using Taylor's Series method, solve the following problems.

 

1. Find y (0.2), y (0.4), given dy/dx = xy2 + 1, y (0) =1.

[Ans. 1.226, 1.5421]

2.010 Find y (0.1), given y' = x2y - 1, y (0) = 1

 [Ans. 0.9003]

3. Solve, y' = x + (1/10) y2, y (1.8) = 0, for y (2)

[Ans. 0.3809]

4. Evaluate x (0.1), y (0.1), x (0.2), y (0.2), given dx/dt = ty + 1, dy/dt = -tx, given x = 0, y = 1 at t = 0.

 [Ans. 0.105, 0.9987, x (0.2) = 0.21998, y (0.2) = 0.9972]

5. Find y (0.1), y (0.2), y (0.3) given y' = (x3 + xy2)/ex, y (0) = 1

 [Ans. 1.0047, 1.01812, 1.03995]

6. Find y (0.2), y (0.4), given y' = x - y2 and y (0) = 1

[Ans. 0.8511, 0.7751]

7. Find y (0.2), y (0.4), given y'' + y = 0 given y (0) = 1, y' (0) = 0.

[Ans. y (0.2) = 1.0204, y (0.4) = 1.0]

8. Obtain the values of y at x= 0.1, 0.2, 0.3, if y satisfies

y'' = -xy and y (0) = 1, y' (0) 1, y'(0) = 0.5

[Ans. 1.0498, 1.0986, 1.145]

9. Find y (0.4) if y' = 1 + xy, given y (0) = 2, taking h = 0.2

[Ans. 2.588419]

 

Statistics and Numerical Methods: Unit V: Numerical Solution of Ordinary Differential Equations : Tag: : Solved Example Problems - Exercise 5.1 [Taylor's Series Method]