Chapter 1
Lookup tables for all problems in current book

1.1 Program 24. First order differential equations. Test excercise 24. page 1067
1.2 Program 24. First order differential equations. Further problems 24. page 1068
1.3 Program 25. Second order differential equations. Test Excercise 25. page 1093
1.4 Program 25. Second order differential equations. Further problems 25. page 1094

1.1 Program 24. First order differential equations. Test excercise 24. page 1067

Table 1.1: Lookup table

ID

problem

ODE

Solved?

Maple

Mma

Sympy

7695

1

\begin{align*} x y^{\prime }&=x^{2}+2 x -3 \\ \end{align*}

7696

2

\begin{align*} \left (x +1\right )^{2} y^{\prime }&=1+y^{2} \\ \end{align*}

7697

3

\begin{align*} 2 y+y^{\prime }&={\mathrm e}^{3 x} \\ \end{align*}

7698

4

\begin{align*} x y^{\prime }-y&=x^{2} \\ \end{align*}

7699

5

\begin{align*} x^{2} y^{\prime }&=x^{3} \sin \left (3 x \right )+4 \\ \end{align*}

7700

6

\begin{align*} x \cos \left (y\right ) y^{\prime }-\sin \left (y\right )&=0 \\ \end{align*}

7701

7

\begin{align*} \left (x y^{2}+x^{3}\right ) y^{\prime }&=2 y^{3} \\ \end{align*}

7702

8

\begin{align*} \left (x^{2}-1\right ) y^{\prime }+2 y x&=x \\ \end{align*}

7703

9

\begin{align*} y^{\prime }+y \tanh \left (x \right )&=2 \sinh \left (x \right ) \\ \end{align*}

7704

10

\begin{align*} x y^{\prime }-2 y&=x^{3} \cos \left (x \right ) \\ \end{align*}

7705

11

\begin{align*} y^{\prime }+\frac {y}{x}&=y^{3} \\ \end{align*}

7706

12

\begin{align*} x y^{\prime }+3 y&=x^{2} y^{2} \\ \end{align*}

1.2 Program 24. First order differential equations. Further problems 24. page 1068

Table 1.3: Lookup table

ID

problem

ODE

Solved?

Maple

Mma

Sympy

7707

1

\begin{align*} x \left (-3+y\right ) y^{\prime }&=4 y \\ \end{align*}

7708

2

\begin{align*} \left (x^{3}+1\right ) y^{\prime }&=x^{2} y \\ y \left (1\right ) &= 2 \\ \end{align*}

7709

3

\begin{align*} x^{3}+\left (y+1\right )^{2} y^{\prime }&=0 \\ \end{align*}

7710

4

\begin{align*} \cos \left (y\right )+\left (1+{\mathrm e}^{-x}\right ) \sin \left (y\right ) y^{\prime }&=0 \\ y \left (0\right ) &= \frac {\pi }{4} \\ \end{align*}

7711

5

\begin{align*} x^{2} \left (y+1\right )+y^{2} \left (x -1\right ) y^{\prime }&=0 \\ \end{align*}

7712

6

\begin{align*} \left (-x +2 y\right ) y^{\prime }&=2 x +y \\ \end{align*}

7713

7

\begin{align*} y x +y^{2}+\left (x^{2}-y x \right ) y^{\prime }&=0 \\ \end{align*}

7714

8

\begin{align*} x^{3}+y^{3}&=3 x y^{2} y^{\prime } \\ \end{align*}

7715

9

\begin{align*} y-3 x +\left (3 x +4 y\right ) y^{\prime }&=0 \\ \end{align*}

7716

10

\begin{align*} \left (x^{3}+3 x y^{2}\right ) y^{\prime }&=y^{3}+3 x^{2} y \\ \end{align*}

7717

11

\begin{align*} x y^{\prime }-y&=x^{3}+3 x^{2}-2 x \\ \end{align*}

7718

12

\begin{align*} y^{\prime }+y \tan \left (x \right )&=\sin \left (x \right ) \\ \end{align*}

7719

13

\begin{align*} x y^{\prime }-y&=x^{3} \cos \left (x \right ) \\ y \left (\pi \right ) &= 0 \\ \end{align*}

7720

14

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+3 y x&=5 x \\ y \left (1\right ) &= 2 \\ \end{align*}

7721

15

\begin{align*} y^{\prime }+y \cot \left (x \right )&=5 \,{\mathrm e}^{\cos \left (x \right )} \\ y \left (\frac {\pi }{2}\right ) &= -4 \\ \end{align*}

7722

16

\begin{align*} \left (3 x +3 y-4\right ) y^{\prime }&=-x -y \\ \end{align*}

7723

17

\begin{align*} x -x y^{2}&=\left (x +x^{2} y\right ) y^{\prime } \\ \end{align*}

7724

18

\begin{align*} x -y-1+\left (4 y+x -1\right ) y^{\prime }&=0 \\ \end{align*}

7725

19

\begin{align*} 3 y-7 x +7+\left (7 y-3 x +3\right ) y^{\prime }&=0 \\ \end{align*}

7726

20

\begin{align*} \left (y x +1\right ) y+x \left (1+y x +x^{2} y^{2}\right ) y^{\prime }&=0 \\ \end{align*}

7727

21

\begin{align*} y^{\prime }+y&=x y^{3} \\ \end{align*}

7728

22

\begin{align*} y^{\prime }+y&=y^{4} {\mathrm e}^{x} \\ \end{align*}

7729

23

\begin{align*} 2 y^{\prime }+y&=y^{3} \left (x -1\right ) \\ \end{align*}

7730

24

\begin{align*} y^{\prime }-2 y \tan \left (x \right )&=y^{2} \tan \left (x \right )^{2} \\ \end{align*}

7731

25

\begin{align*} y^{\prime }+y \tan \left (x \right )&=y^{3} \sec \left (x \right )^{4} \\ \end{align*}

7732

26

\begin{align*} \left (-x^{2}+1\right ) y^{\prime }&=y x +1 \\ \end{align*}

7733

27

\begin{align*} x y y^{\prime }-\left (x +1\right ) \sqrt {-1+y}&=0 \\ \end{align*}

7734

29

\begin{align*} y^{\prime }-y \cot \left (x \right )&=y^{2} \sec \left (x \right )^{2} \\ y \left (\frac {\pi }{4}\right ) &= -1 \\ \end{align*}

7735

30

\begin{align*} y+\left (x^{2}-4 x \right ) y^{\prime }&=0 \\ \end{align*}

7736

31

\begin{align*} y^{\prime }-y \tan \left (x \right )&=\cos \left (x \right )-2 x \sin \left (x \right ) \\ y \left (\frac {\pi }{6}\right ) &= 0 \\ \end{align*}

7737

32

\begin{align*} y^{\prime }&=\frac {y^{2}+2 y x}{x^{2}+2 y x} \\ \end{align*}

7738

33

\begin{align*} \left (x^{2}+1\right ) y^{\prime }&=x \left (y+1\right ) \\ \end{align*}

7739

34

\begin{align*} x y^{\prime }+2 y&=3 x -1 \\ y \left (2\right ) &= 1 \\ \end{align*}

7740

35

\begin{align*} x^{2} y^{\prime }&=y^{2}-x y y^{\prime } \\ y \left (1\right ) &= 1 \\ \end{align*}

7741

36

\begin{align*} y^{\prime }&={\mathrm e}^{3 x -2 y} \\ y \left (0\right ) &= 0 \\ \end{align*}

7742

37

\begin{align*} y^{\prime }+\frac {y}{x}&=\sin \left (2 x \right ) \\ y \left (\frac {\pi }{4}\right ) &= 2 \\ \end{align*}

7743

38

\begin{align*} x^{2} y^{\prime }+y^{2}&=x y y^{\prime } \\ \end{align*}

7744

39

\begin{align*} 2 x y y^{\prime }&=x^{2}-y^{2} \\ \end{align*}

7745

40

\begin{align*} y^{\prime }&=\frac {x -2 y+1}{2 x -4 y} \\ y \left (1\right ) &= 1 \\ \end{align*}

7746

41

\begin{align*} \left (-x^{3}+1\right ) y^{\prime }+x^{2} y&=x^{2} \left (-x^{3}+1\right ) \\ \end{align*}

7747

42

\begin{align*} y^{\prime }+\frac {y}{x}&=\sin \left (x \right ) \\ y \left (\frac {\pi }{2}\right ) &= 0 \\ \end{align*}

7748

43

\begin{align*} y^{\prime }+x +x y^{2}&=0 \\ y \left (1\right ) &= 0 \\ \end{align*}

7749

44

\begin{align*} y^{\prime }+\left (\frac {1}{x}-\frac {2 x}{-x^{2}+1}\right ) y&=\frac {1}{-x^{2}+1} \\ \end{align*}

7750

45

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+y x&=\left (x^{2}+1\right )^{{3}/{2}} \\ \end{align*}

7751

46

\begin{align*} x \left (1+y^{2}\right )-\left (x^{2}+1\right ) y y^{\prime }&=0 \\ \end{align*}

7752

47

\begin{align*} \frac {r \tan \left (\theta \right ) r^{\prime }}{a^{2}-r^{2}}&=1 \\ r \left (\frac {\pi }{4}\right ) &= 0 \\ \end{align*}

7753

48

\begin{align*} y^{\prime }+y \cot \left (x \right )&=\cos \left (x \right ) \\ y \left (0\right ) &= 0 \\ \end{align*}

7754

49

\begin{align*} y^{\prime }+\frac {y}{x}&=x y^{2} \\ \end{align*}

1.3 Program 25. Second order differential equations. Test Excercise 25. page 1093

Table 1.5: Lookup table

ID

problem

ODE

Solved?

Maple

Mma

Sympy

7755

1

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&=8 \\ \end{align*}

7756

2

\begin{align*} y^{\prime \prime }-4 y&=10 \,{\mathrm e}^{3 x} \\ \end{align*}

7757

3

\begin{align*} y+2 y^{\prime }+y^{\prime \prime }&={\mathrm e}^{-2 x} \\ \end{align*}

7758

4

\begin{align*} y^{\prime \prime }+25 y&=5 x^{2}+x \\ \end{align*}

7759

5

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=4 \sin \left (x \right ) \\ \end{align*}

7760

6

\begin{align*} 5 y+4 y^{\prime }+y^{\prime \prime }&=2 \,{\mathrm e}^{-2 x} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}

7761

7

\begin{align*} 3 y^{\prime \prime }-2 y^{\prime }-y&=2 x -3 \\ \end{align*}

7762

8

\begin{align*} y^{\prime \prime }-6 y^{\prime }+8 y&=8 \,{\mathrm e}^{4 x} \\ \end{align*}

1.4 Program 25. Second order differential equations. Further problems 25. page 1094

Table 1.7: Lookup table

ID

problem

ODE

Solved?

Maple

Mma

Sympy

7763

1

\begin{align*} 2 y^{\prime \prime }-7 y^{\prime }-4 y&={\mathrm e}^{3 x} \\ \end{align*}

7764

2

\begin{align*} y^{\prime \prime }-6 y^{\prime }+9 y&=54 x +18 \\ \end{align*}

7765

3

\begin{align*} 6 y-5 y^{\prime }+y^{\prime \prime }&=100 \sin \left (4 x \right ) \\ \end{align*}

7766

4

\begin{align*} y+2 y^{\prime }+y^{\prime \prime }&=4 \sinh \left (x \right ) \\ \end{align*}

7767

5

\begin{align*} y^{\prime \prime }+y^{\prime }-2 y&=2 \cosh \left (2 x \right ) \\ \end{align*}

7768

6

\begin{align*} y^{\prime \prime }-y^{\prime }+10 y&=20-{\mathrm e}^{2 x} \\ \end{align*}

7769

7

\begin{align*} y^{\prime \prime }+4 y^{\prime }+4 y&=2 \cos \left (x \right )^{2} \\ \end{align*}

7770

8

\begin{align*} y^{\prime \prime }-4 y^{\prime }+3 y&=x +{\mathrm e}^{2 x} \\ \end{align*}

7771

9

\begin{align*} y^{\prime \prime }-2 y^{\prime }+3 y&=x^{2}-1 \\ \end{align*}

7772

10

\begin{align*} y^{\prime \prime }-9 y&={\mathrm e}^{3 x}+\sin \left (x \right ) \\ \end{align*}

7773

12

\begin{align*} x^{\prime \prime }+4 x^{\prime }+3 x&={\mathrm e}^{-3 t} \\ x \left (0\right ) &= {\frac {1}{2}} \\ x^{\prime }\left (0\right ) &= -2 \\ \end{align*}

7774

13

\begin{align*} y^{\prime \prime }+4 y^{\prime }+5 y&=6 \sin \left (t \right ) \\ \end{align*}

7775

14

\begin{align*} x^{\prime \prime }-3 x^{\prime }+2 x&=\sin \left (t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

7776

15

\begin{align*} y^{\prime \prime }+3 y^{\prime }+2 y&=3 \sin \left (x \right ) \\ y \left (0\right ) &= -{\frac {9}{10}} \\ y^{\prime }\left (0\right ) &= -{\frac {7}{10}} \\ \end{align*}

7777

16

\begin{align*} y^{\prime \prime }+6 y^{\prime }+10 y&=50 x \\ \end{align*}

7778

17

\begin{align*} x^{\prime \prime }+2 x^{\prime }+2 x&=85 \sin \left (3 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= -20 \\ \end{align*}

7779

18

\begin{align*} y^{\prime \prime }&=3 \sin \left (x \right )-4 y \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (\frac {\pi }{2}\right ) &= 1 \\ \end{align*}

7780

19

\begin{align*} \frac {x^{\prime \prime }}{2}&=-48 x \\ x \left (0\right ) &= {\frac {1}{6}} \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

7781

20

\begin{align*} x^{\prime \prime }+5 x^{\prime }+6 x&=\cos \left (t \right ) \\ x \left (0\right ) &= {\frac {1}{10}} \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}