2.16.78 Problems 7701 to 7800

Table 2.172: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

7701

\[ {}t y^{\prime \prime }+\left (-t^{2}+1\right ) y^{\prime }+4 t y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.42

7702

\[ {}t^{2} y^{\prime \prime }-t \left (t +1\right ) y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.589

7703

\[ {}y^{\prime \prime }+4 x y^{\prime }+\left (4 x^{2}+6\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.639

7704

\[ {}\left (-z^{2}+1\right ) y^{\prime \prime }-3 z y^{\prime }+\lambda y = 0 \]

kovacic

[_Gegenbauer]

1.431

7705

\[ {}4 z y^{\prime \prime }+2 \left (1-z \right ) y^{\prime }-y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.865

7706

\[ {}f^{\prime \prime }+2 \left (z -1\right ) f^{\prime }+4 f = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.712

7707

\[ {}z y^{\prime \prime }-2 y^{\prime }+z y = 0 \]

kovacic

[_Lienard]

0.855

7708

\[ {}z y^{\prime \prime }+\left (2 z -3\right ) y^{\prime }+\frac {4 y}{z} = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.74

7709

\[ {}y^{\prime \prime }+2 x y^{\prime }+4 y = 0 \]

kovacic

[_erf]

0.53

7710

\[ {}y^{\prime \prime }+x y^{\prime }+3 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.617

7711

\[ {}y^{\prime \prime }-x^{2} y^{\prime }-3 x y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.744

7712

\[ {}\left (-4 x^{2}+1\right ) y^{\prime \prime }-20 x y^{\prime }-16 y = 0 \]

kovacic

[_Gegenbauer]

0.931

7713

\[ {}\left (x^{2}-1\right ) y^{\prime \prime }-6 x y^{\prime }+12 y = 0 \]

kovacic

[_Gegenbauer]

0.802

7714

\[ {}y^{\prime \prime }+x y^{\prime }+\left (2+x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.795

7715

\[ {}\left (2 x^{2}+1\right ) y^{\prime \prime }+7 x y^{\prime }+2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.625

7716

\[ {}4 y^{\prime \prime }+x y^{\prime }+4 y = 0 \]

kovacic

[_Lienard]

0.776

7717

\[ {}y^{\prime \prime }+x y^{\prime }-4 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.219

7718

\[ {}4 x y^{\prime \prime }-x y^{\prime }+2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.515

7719

\[ {}6 x^{2} y^{\prime \prime }+x \left (1+18 x \right ) y^{\prime }+\left (1+12 x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.01

7720

\[ {}3 x^{2} y^{\prime \prime }-x \left (x +8\right ) y^{\prime }+6 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

6.032

7721

\[ {}2 x^{2} y^{\prime \prime }-x \left (2 x +1\right ) y^{\prime }+2 \left (4 x -1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.736

7722

\[ {}4 x^{2} y^{\prime \prime }-4 x^{2} y^{\prime }+\left (2 x +1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.7

7723

\[ {}x^{2} y^{\prime \prime }+x \left (3-2 x \right ) y^{\prime }+\left (1-2 x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.804

7724

\[ {}x^{2} y^{\prime \prime }-x \left (x +3\right ) y^{\prime }+\left (4-x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.839

7725

\[ {}x^{2} y^{\prime \prime }+x \left (-x +3\right ) y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.717

7726

\[ {}x^{2} y^{\prime \prime }-\left (2 \sqrt {5}-1\right ) x y^{\prime }+\left (\frac {19}{4}-3 x^{2}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.027

7727

\[ {}x^{2} y^{\prime \prime }+x \left (x -3\right ) y^{\prime }+\left (4-x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.683

7728

\[ {}x^{2} y^{\prime \prime }+x^{2} y^{\prime }-\left (2+x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.701

7729

\[ {}x^{2} y^{\prime \prime }+2 x^{2} y^{\prime }+\left (x -\frac {3}{4}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.746

7730

\[ {}x^{2} \left (1+x \right ) y^{\prime \prime }+x^{2} y^{\prime }-2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.754

7731

\[ {}x^{2} y^{\prime \prime }+x \left (x^{2}+6\right ) y^{\prime }+6 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.144

7732

\[ {}x^{2} y^{\prime \prime }+x \left (1-x \right ) y^{\prime }-y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.615

7733

\[ {}x^{2} y^{\prime \prime }-x \left (x +3\right ) y^{\prime }+4 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.632

7734

\[ {}x^{2} y^{\prime \prime }-x^{2} y^{\prime }-2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.63

7735

\[ {}x^{2} y^{\prime \prime }-x^{2} y^{\prime }-\left (3 x +2\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.803

7736

\[ {}x^{2} y^{\prime \prime }+x \left (5-x \right ) y^{\prime }+4 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.818

7737

\[ {}4 x^{2} y^{\prime \prime }+4 x \left (1-x \right ) y^{\prime }+\left (2 x -9\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.757

7738

\[ {}x^{2} y^{\prime \prime }+2 x \left (2+x \right ) y^{\prime }+2 y \left (1+x \right ) = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.573

7739

\[ {}x^{2} y^{\prime \prime }-x \left (1-x \right ) y^{\prime }+\left (1-x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.699

7740

\[ {}4 x^{2} y^{\prime \prime }+4 x \left (2 x +1\right ) y^{\prime }+\left (4 x -1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.611

7741

\[ {}x^{2} y^{\prime \prime }+x \left (x +4\right ) y^{\prime }+\left (2+x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.549

7742

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }+\left (x^{2}-\frac {9}{4}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.933

7743

\[ {}x y^{\prime \prime }+2 y^{\prime }+x y = 0 \]

kovacic

[_Lienard]

0.513

7744

\[ {}2 x y^{\prime \prime }+5 \left (1-2 x \right ) y^{\prime }-5 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.211

7745

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }+\left (x^{2}-\frac {1}{4}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.516

7746

\[ {}x y^{\prime \prime }+\left (x +n \right ) y^{\prime }+\left (n +1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.184

7747

\[ {}x^{4} y^{\prime \prime }+x y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.121

7748

\[ {}x^{2} y^{\prime \prime }+\left (2 x^{2}+x \right ) y^{\prime }-4 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.694

7749

\[ {}\left (4 x^{3}-14 x^{2}-2 x \right ) y^{\prime \prime }-\left (6 x^{2}-7 x +1\right ) y^{\prime }+\left (6 x -1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.224

7750

\[ {}x^{2} y^{\prime \prime }+x^{2} y^{\prime }+\left (-2+x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.664

7751

\[ {}x^{2} y^{\prime \prime }-x^{2} y^{\prime }+\left (-2+x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.635

7752

\[ {}x^{2} \left (1-4 x \right ) y^{\prime \prime }-\frac {x y^{\prime }}{2}-\frac {3 x y}{4} = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.466

7753

\[ {}x^{2} y^{\prime \prime }+\left (x^{2}+x \right ) y^{\prime }+\left (x -9\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.803

7754

\[ {}x^{2} y^{\prime \prime }+x \left (1+x \right ) y^{\prime }+\left (3 x -1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.802

7755

\[ {}x^{2} y^{\prime \prime }-\left (x^{2}+4 x \right ) y^{\prime }+4 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.636

7756

\[ {}2 x^{2} y^{\prime \prime }-\left (3 x +2\right ) y^{\prime }+\frac {\left (2 x -1\right ) y}{x} = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.131

7757

\[ {}x \left (1-x \right ) y^{\prime \prime }+\left (\frac {3}{2}-2 x \right ) y^{\prime }-\frac {y}{4} = 0 \]

kovacic

[_Jacobi]

0.81

7758

\[ {}2 x \left (1-x \right ) y^{\prime \prime }+x y^{\prime }-y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.524

7759

\[ {}2 x \left (1-x \right ) y^{\prime \prime }+\left (1-11 x \right ) y^{\prime }-10 y = 0 \]

kovacic

[_Jacobi]

0.823

7760

\[ {}x \left (1-x \right ) y^{\prime \prime }+\frac {\left (1-2 x \right ) y^{\prime }}{3}+\frac {20 y}{9} = 0 \]

kovacic

[_Jacobi]

0.862

7761

\[ {}4 y^{\prime \prime }+\frac {3 \left (-x^{2}+2\right ) y}{\left (-x^{2}+1\right )^{2}} = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.853

7762

\[ {}u^{\prime \prime }-\frac {2 u^{\prime }}{x}-a^{2} u = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.835

7763

\[ {}u^{\prime \prime }+\frac {2 u^{\prime }}{x}-a^{2} u = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.586

7764

\[ {}u^{\prime \prime }+\frac {2 u^{\prime }}{x}+a^{2} u = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.611

7765

\[ {}u^{\prime \prime }+\frac {4 u^{\prime }}{x}-a^{2} u = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.749

7766

\[ {}u^{\prime \prime }+\frac {4 u^{\prime }}{x}+a^{2} u = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.974

7767

\[ {}y^{\prime \prime }-a^{2} y = \frac {6 y}{x^{2}} \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.828

7768

\[ {}y^{\prime \prime }+n^{2} y = \frac {6 y}{x^{2}} \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.171

7769

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }-\left (x^{2}+\frac {1}{4}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.609

7770

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }+\frac {\left (-9 a^{2}+4 x^{2}\right ) y}{4 a^{2}} = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.944

7771

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }+\left (x^{2}-\frac {25}{4}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.056

7772

\[ {}y^{\prime \prime }+q y^{\prime } = \frac {2 y}{x^{2}} \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.771

7773

\[ {}x y^{\prime \prime }+3 y^{\prime }+4 x^{3} y = 0 \]

kovacic

[[_Emden, _Fowler]]

0.935

7774

\[ {}\left (x^{2}+2 x \right ) y^{\prime \prime }-2 \left (1+x \right ) y^{\prime }+2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.76

7775

\[ {}\left (x^{2}+2 x \right ) y^{\prime \prime }-2 \left (1+x \right ) y^{\prime }+2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.618

7776

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.566

7777

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.356

7778

\[ {}y^{\prime \prime }-4 x y^{\prime }+\left (4 x^{2}-2\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.391

7779

\[ {}y^{\prime \prime }-4 x y^{\prime }+\left (4 x^{2}-2\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.335

7780

\[ {}\left (2 x -3\right ) y^{\prime \prime }-x y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.19

7781

\[ {}y^{\prime \prime }-x y^{\prime }-3 y = 0 \]

kovacic

[_Hermite]

0.694

7782

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-x y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.486

7783

\[ {}y^{\prime \prime }-x y^{\prime }+2 y = 0 \]

kovacic

[_Hermite]

0.73

7784

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

3.51

7785

\[ {}x \left (1+x \right )^{2} y^{\prime \prime }+\left (-x^{2}+1\right ) y^{\prime }+\left (-1+x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.718

7786

\[ {}2 x y^{\prime \prime }-y^{\prime }+2 y = 0 \]

kovacic

[[_Emden, _Fowler]]

0.901

7787

\[ {}x y^{\prime \prime }+x y^{\prime }-2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.488

7788

\[ {}x \left (-1+x \right )^{2} y^{\prime \prime }-2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.678

7789

\[ {}y^{\prime \prime }-2 x y^{\prime }+x^{2} y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.58

7790

\[ {}x \left (-x^{2}+2\right ) y^{\prime \prime }-\left (x^{2}+4 x +2\right ) \left (\left (1-x \right ) y^{\prime }+y\right ) = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.403

7791

\[ {}x^{2} \left (1+x \right ) y^{\prime \prime }-\left (2 x +1\right ) \left (-y+x y^{\prime }\right ) = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.84

7792

\[ {}2 \left (2-x \right ) x^{2} y^{\prime \prime }-x \left (4-x \right ) y^{\prime }+\left (-x +3\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.75

7793

\[ {}x^{2} \left (1-x \right ) y^{\prime \prime }+\left (5 x -4\right ) x y^{\prime }+\left (6-9 x \right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.553

7794

\[ {}x y^{\prime \prime }+\left (4 x^{2}+1\right ) y^{\prime }+4 x \left (x^{2}+1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.735

7795

\[ {}y^{\prime \prime }-2 x y^{\prime }+8 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.192

7796

\[ {}y^{\prime \prime }-2 x y^{\prime }+8 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.169

7797

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+12 y = 0 \]

kovacic

[_Gegenbauer]

0.891

7798

\[ {}x \left (2+x \right ) y^{\prime \prime }+2 \left (1+x \right ) y^{\prime }-2 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.737

7799

\[ {}x \left (2+x \right ) y^{\prime \prime }+\left (1+x \right ) y^{\prime }-4 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

0.777

7800

\[ {}\left (-1+x \right ) y^{\prime \prime }-x y^{\prime }+y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.794