2.16.80 Problems 7901 to 8000

Table 2.176: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

7901

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.211

7902

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.527

7903

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.649

7904

\[ {}x^{2} y^{\prime \prime }-\left (x -\frac {3}{16}\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.55

7905

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.527

7906

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.47

7907

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

kovacic

[_Laguerre]

0.606

7908

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.747

7909

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.481

7910

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

kovacic

[_Laguerre]

0.548

7911

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.627

7912

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.468

7913

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.601

7914

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.629

7915

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.771

7916

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.436

7917

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.614

7918

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.434

7919

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

3.575

7920

\[ {}4 x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (-16 x^{2}+3\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.686

7921

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.664

7922

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.51

7923

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.121

7924

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.758

7925

\[ {}4 x^{2} y^{\prime \prime }+\left (-8 x^{2}+4 x \right ) y^{\prime }+\left (4 x^{2}-4 x -1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.562

7926

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.405

7927

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.727

7928

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.737

7929

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.924

7930

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.776

7931

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.699

7932

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.644

7933

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.529

7934

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

kovacic

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

0.367

7935

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.733

7936

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.48

7937

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.737

7938

\[ {}4 x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (-16 x^{2}+3\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.507

7939

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.986

7940

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.81

7941

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.553

7942

\[ {}\left (3 x -1\right ) y^{\prime \prime }-\left (3 x +2\right ) y^{\prime }-\left (6 x -8\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.006

7943

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.74

7944

\[ {}4 x^{2} y^{\prime \prime }+\left (-8 x^{2}+4 x \right ) y^{\prime }+\left (4 x^{2}-4 x -1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.547

7945

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.365

7946

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.664

7947

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.534

7948

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.484

7949

\[ {}4 x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (-16 x^{2}+3\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.504

7950

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.641

7951

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.619

7952

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.694

7953

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.728

7954

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.64

7955

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.634

7956

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.487

7957

\[ {}\left (3 x -1\right ) y^{\prime \prime }-\left (3 x +2\right ) y^{\prime }-\left (6 x -8\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.748

7958

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.983

7959

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.669

7960

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.896

7961

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.107

7962

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.308

7963

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.583

7964

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.415

7965

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-8 x y^{\prime }+20 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.62

7966

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-8 x y^{\prime }-12 y = 0 \]

kovacic

[_Gegenbauer]

0.675

7967

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.588

7968

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

kovacic

[_Gegenbauer]

0.874

7969

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-10 x y^{\prime }+28 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.665

7970

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.463

7971

\[ {}\left (2 x^{2}-8 x +11\right ) y^{\prime \prime }-16 \left (-2+x \right ) y^{\prime }+36 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.439

7972

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.545

7973

\[ {}\left (x^{2}-8 x +14\right ) y^{\prime \prime }-8 \left (x -4\right ) y^{\prime }+20 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.144

7974

\[ {}\left (2 x^{2}+4 x +5\right ) y^{\prime \prime }-20 \left (1+x \right ) y^{\prime }+60 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.365

7975

\[ {}\left (x^{3}+1\right ) y^{\prime \prime }+7 x^{2} y^{\prime }+9 x y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.381

7976

\[ {}\left (2 x^{5}+1\right ) y^{\prime \prime }+14 x^{4} y^{\prime }+10 x^{3} y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

62.585

7977

\[ {}y^{\prime \prime }+x^{6} y^{\prime }+7 x^{5} y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.787

7978

\[ {}\left (x^{8}+1\right ) y^{\prime \prime }-16 x^{7} y^{\prime }+72 x^{6} y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

168.78

7979

\[ {}y^{\prime \prime }+x^{5} y^{\prime }+6 y x^{4} = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.809

7980

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.861

7981

\[ {}\left (3 x^{2}+x +1\right ) y^{\prime \prime }+\left (2+15 x \right ) y^{\prime }+12 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

2.066

7982

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.845

7983

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.852

7984

\[ {}\left (2 x^{2}+3 x \right ) y^{\prime \prime }+10 \left (1+x \right ) y^{\prime }+8 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.967

7985

\[ {}x^{2} y^{\prime \prime }-\left (6-7 x \right ) y^{\prime }+8 y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.562

7986

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.882

7987

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.746

7988

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.612

7989

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.721

7990

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.651

7991

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.606

7992

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.388

7993

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.372

7994

\[ {}2 x^{2} \left (x^{2}+x +1\right ) y^{\prime \prime }+x \left (11 x^{2}+11 x +9\right ) y^{\prime }+\left (7 x^{2}+10 x +6\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

2.336

7995

\[ {}3 x^{2} y^{\prime \prime }+2 x \left (-2 x^{2}+x +1\right ) y^{\prime }+\left (-8 x^{2}+2 x \right ) y = 0 \]

kovacic

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

0.809

7996

\[ {}12 x^{2} \left (1+x \right ) y^{\prime \prime }+x \left (3 x^{2}+35 x +11\right ) y^{\prime }-\left (-5 x^{2}-10 x +1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.236

7997

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

kovacic

[[_2nd_order, _missing_x]]

0.398

7998

\[ {}18 x^{2} \left (1+x \right ) y^{\prime \prime }+3 x \left (x^{2}+11 x +5\right ) y^{\prime }-\left (-5 x^{2}-2 x +1\right ) y = 0 \]

kovacic

[[_2nd_order, _with_linear_symmetries]]

1.234

7999

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.736

8000

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.787