2.2.267 Problems 26601 to 26700

Table 2.551: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

26601

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

[[_3rd_order, _missing_y]]

2.187

26602

\begin{align*} y^{\prime \prime \prime \prime }-y&=8 \,{\mathrm e}^{x} \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 1 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

2.303

26603

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

[[_3rd_order, _missing_y]]

2.026

26604

\begin{align*} y^{\prime \prime \prime \prime }-y&=8 \,{\mathrm e}^{x} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 2 \\ y^{\prime \prime }\left (0\right ) &= 4 \\ y^{\prime \prime \prime }\left (0\right ) &= 6 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

1.953

26605

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

[[_2nd_order, _linear, _nonhomogeneous]]

103.564

26606

\begin{align*} 5 y+2 y^{\prime }+y^{\prime \prime }&=4 \cos \left (2 x \right )+\sin \left (2 x \right ) \\ y \left (-\infty \right ) &= y_{0} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

135.973

26607

\begin{align*} y^{\prime \prime }-y&=1 \\ y \left (\infty \right ) &= y_{0} \\ \end{align*}

[[_2nd_order, _missing_x]]

274.464

26608

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

[[_2nd_order, _linear, _nonhomogeneous]]

100.090

26609

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

[[_2nd_order, _with_linear_symmetries]]

54.073

26610

\begin{align*} y^{\prime \prime }+4 y^{\prime }+3 y&=8 \,{\mathrm e}^{x}+9 \\ y \left (-\infty \right ) &= 3 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

41.143

26611

\begin{align*} y^{\prime \prime }-y^{\prime }-5 y&=1 \\ y \left (\infty \right ) &= -{\frac {1}{5}} \\ \end{align*}

[[_2nd_order, _missing_x]]

5.215

26612

\begin{align*} y^{\prime \prime }+4 y^{\prime }+4 y&=2 \,{\mathrm e}^{x} \left (\sin \left (x \right )+7 \cos \left (x \right )\right ) \\ y \left (-\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

45.098

26613

\begin{align*} 6 y-5 y^{\prime }+y^{\prime \prime }&=2 \,{\mathrm e}^{-2 x} \left (9 \sin \left (2 x \right )+8 \cos \left (2 x \right )\right ) \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

93.823

26614

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=\left (9 x^{2}-3 x -4\right ) {\mathrm e}^{-x} \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

60.773

26615

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

[[_2nd_order, _exact, _linear, _homogeneous]]

18.901

26616

\begin{align*} x^{2} y^{\prime \prime }+3 y^{\prime } x +y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

16.064

26617

\begin{align*} x^{2} y^{\prime \prime }+2 y^{\prime } x +6 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

21.783

26618

\begin{align*} y^{\prime \prime } x +y^{\prime }&=0 \\ \end{align*}

[[_2nd_order, _missing_y]]

3.706

26619

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

[[_2nd_order, _with_linear_symmetries]]

9.287

26620

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

[[_2nd_order, _with_linear_symmetries]]

12.491

26621

\begin{align*} x^{2} y^{\prime \prime }-3 y^{\prime } x +3 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

23.687

26622

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

[[_3rd_order, _missing_y]]

1.224

26623

\begin{align*} \left (x +1\right )^{2} y^{\prime \prime \prime }-12 y^{\prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_y]]

1.944

26624

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

[[_3rd_order, _missing_y]]

3.313

26625

\begin{align*} x^{3} y^{\prime \prime \prime }-3 x^{2} y^{\prime \prime }+6 y^{\prime } x -6 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

1.346

26626

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

[_Gegenbauer]

1.135

26627

\begin{align*} \left (2 x +1\right ) y^{\prime \prime }+\left (4 x -2\right ) y^{\prime }-8 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.470

26628

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

[_Jacobi]

7.427

26629

\begin{align*} \left (2 x^{2}+3 x \right ) y^{\prime \prime }-6 \left (x +1\right ) y^{\prime }+6 y&=6 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.263

26630

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

[[_2nd_order, _with_linear_symmetries]]

8.648

26631

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

[[_2nd_order, _with_linear_symmetries]]

4.521

26632

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

[[_2nd_order, _with_linear_symmetries]]

29.181

26633

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

18.626

26634

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x -3 y&=5 x^{4} \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

10.218

26635

\begin{align*} \left (4 x^{2}-x \right ) y^{\prime \prime }+2 \left (2 x -1\right ) y^{\prime }-4 y&=12 x^{2}-6 x \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

11.158

26636

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

[[_2nd_order, _with_linear_symmetries]]

19.644

26637

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

[[_2nd_order, _missing_y]]

3.701

26638

\begin{align*} \left (x +1\right )^{3} y^{\prime \prime }+3 \left (x +1\right )^{2} y^{\prime }+\left (x +1\right ) y&=6 \ln \left (x +1\right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

66.339

26639

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

[[_2nd_order, _with_linear_symmetries]]

8.532

26640

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.615

26641

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.717

26642

\begin{align*} y^{\prime \prime }-y&=\frac {2 \,{\mathrm e}^{x}}{{\mathrm e}^{x}-1} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.899

26643

\begin{align*} y^{\prime \prime }-y&=\frac {1}{{\mathrm e}^{x}+1} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.786

26644

\begin{align*} y^{\prime \prime }+y&=\frac {1}{\sqrt {\sin \left (x \right )^{5} \cos \left (x \right )}} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

12.194

26645

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

[[_2nd_order, _linear, _nonhomogeneous]]

8.276

26646

\begin{align*} y^{\prime \prime }-2 y^{\prime }+2 y&=\frac {2 x^{3}+x^{2}-4 x -6}{x^{4}} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.476

26647

\begin{align*} y^{\prime \prime }+y&=\frac {1}{\left (\sin \left (x \right )^{7} \cos \left (x \right )^{8}\right )^{{1}/{3}}} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

14.358

26648

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.073

26649

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.621

26650

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

[[_2nd_order, _missing_y]]

4.851

26651

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

[[_2nd_order, _missing_y]]

6.056

26652

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.685

26653

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.707

26654

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

[[_2nd_order, _missing_y]]

12.047

26655

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

[[_2nd_order, _missing_y]]

2.898

26656

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

[[_2nd_order, _missing_y]]

4.928

26657

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

[[_2nd_order, _missing_y]]

4.962

26658

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

[[_2nd_order, _with_linear_symmetries]]

11.638

26659

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

[[_2nd_order, _linear, _nonhomogeneous]]

18.507

26660

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

[[_2nd_order, _linear, _nonhomogeneous]]

6.195

26661

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

[[_2nd_order, _linear, _nonhomogeneous]]

77.174

26662

\begin{align*} y^{\prime \prime } x -y^{\prime }-4 x^{3} y&=16 x^{3} {\mathrm e}^{x^{2}} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

28.643

26663

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

[[_2nd_order, _linear, _nonhomogeneous]]

256.622

26664

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

[[_2nd_order, _linear, _nonhomogeneous]]

52.319

26665

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

[[_2nd_order, _linear, _nonhomogeneous]]

49.950

26666

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

12.869

26667

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

[[_2nd_order, _with_linear_symmetries]]

18.412

26668

\begin{align*} 4 y^{\prime \prime } x +2 y^{\prime }+y&=\frac {6+x}{x^{2}} \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

222.705

26669

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+2 y^{\prime } x&=\frac {1}{x^{2}+1} \\ y \left (\infty \right ) &= \frac {\pi ^{2}}{8} \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_y]]

10.334

26670

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

[[_2nd_order, _with_linear_symmetries]]

26.325

26671

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

[[_2nd_order, _linear, _nonhomogeneous]]

67.511

26672

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

[[_2nd_order, _linear, _nonhomogeneous]]

16.135

26673

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

[[_2nd_order, _with_linear_symmetries]]

154.792

26674

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

[[_2nd_order, _with_linear_symmetries]]

10.944

26675

\begin{align*} x^{\prime \prime }+x^{\prime }+x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.744

26676

\begin{align*} x^{\prime \prime }+2 x^{\prime }+6 x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.420

26677

\begin{align*} x^{\prime \prime }+2 x^{\prime }+x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.062

26678

\begin{align*} x^{\prime \prime }+{x^{\prime }}^{2}+x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

27.636

26679

\begin{align*} x^{\prime \prime }-2 {x^{\prime }}^{2}+x^{\prime }-2 x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

464.071

26680

\begin{align*} x^{\prime \prime }-x \,{\mathrm e}^{x^{\prime }}&=0 \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

2.867

26681

\begin{align*} x^{\prime \prime }+{\mathrm e}^{-x^{\prime }}-x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

327.924

26682

\begin{align*} x^{\prime \prime }+x {x^{\prime }}^{2}&=0 \\ \end{align*}

[[_2nd_order, _missing_x], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

2.036

26683

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

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

6.321

26684

\begin{align*} x^{\prime \prime }-x^{\prime }+x-x^{2}&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

328.715

26685

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

[[_2nd_order, _missing_x]]

42.763

26686

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

[[_2nd_order, _missing_x]]

20.958

26687

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

[[_2nd_order, _missing_x]]

169.025

26688

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

[[_2nd_order, _missing_x]]

99.264

26689

\begin{align*} y^{\prime \prime }-k^{2} y&=0 \\ y \left (0\right ) &= v \\ y \left (x_{0} \right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

57.523

26690

\begin{align*} y^{\prime \prime }-\alpha ^{2} s y&=0 \\ y \left (0\right ) &= \frac {1}{s} \\ y \left (x_{0} \right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

88.606

26691

\begin{align*} y^{\prime \prime }-\alpha ^{2} s y&=0 \\ y \left (0\right ) &= -\frac {1}{s} \\ y \left (x_{0} \right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

61.786

26692

\begin{align*} y^{\prime \prime }&=\alpha ^{2} s^{2} y+\alpha ^{2} g L \\ y \left (0\right ) &= 0 \\ y \left (x_{0} \right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

130.947

26693

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

[[_2nd_order, _missing_x]]

62.369

26694

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

[[_2nd_order, _missing_x]]

30.456

26695

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

[[_2nd_order, _missing_x]]

45.119

26696

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

[[_2nd_order, _missing_x]]

50.104

26697

\begin{align*} y^{\prime \prime \prime \prime }-\lambda ^{4} y&=0 \\ y \left (0\right ) &= 0 \\ y \left (\pi \right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (\pi \right ) &= 0 \\ \end{align*}

[[_high_order, _missing_x]]

2.059

26698

\begin{align*} y^{\prime \prime \prime \prime }-\lambda ^{4} y&=0 \\ y \left (0\right ) &= 0 \\ y \left (\pi \right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (\pi \right ) &= 0 \\ \end{align*}

[[_high_order, _missing_x]]

1.439

26699

\begin{align*} y^{\prime \prime \prime \prime }-\lambda ^{4} y&=0 \\ y \left (0\right ) &= 0 \\ y \left (\pi \right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime }\left (\pi \right ) &= 0 \\ \end{align*}

[[_high_order, _missing_x]]

1.898

26700

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

[[_3rd_order, _missing_x]]

1.850