2.2.170 Problems 16901 to 17000

Table 2.341: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

16901

\[ {}{y^{\prime }}^{4} = 1 \]

[_quadrature]

1.079

16902

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

[[_2nd_order, _missing_x]]

2.208

16903

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

[[_2nd_order, _missing_x]]

1.245

16904

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

[[_2nd_order, _missing_x]]

4.441

16905

\[ {}{y^{\prime }}^{2}+y y^{\prime \prime } = 1 \]

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

1.286

16906

\[ {}y^{\prime \prime \prime \prime } = x \]

[[_high_order, _quadrature]]

0.122

16907

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

[[_3rd_order, _quadrature]]

0.155

16908

\[ {}y^{\prime \prime } \left (x +2\right )^{5} = 1 \]
i.c.

[[_2nd_order, _quadrature]]

0.962

16909

\[ {}y^{\prime \prime } = x \,{\mathrm e}^{x} \]
i.c.

[[_2nd_order, _quadrature]]

1.945

16910

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

[[_2nd_order, _quadrature]]

2.246

16911

\[ {}x y^{\prime \prime } = y^{\prime } \]

[[_2nd_order, _missing_y]]

1.021

16912

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

[[_2nd_order, _missing_y]]

0.884

16913

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

[[_2nd_order, _missing_y]]

0.929

16914

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

[[_2nd_order, _missing_y]]

1.172

16915

\[ {}x \ln \left (x \right ) y^{\prime \prime } = y^{\prime } \]

[[_2nd_order, _missing_y]]

0.822

16916

\[ {}x y = y^{\prime } \ln \left (\frac {y^{\prime }}{x}\right ) \]

[_separable]

2.915

16917

\[ {}2 y^{\prime \prime } = \frac {y^{\prime }}{x}+\frac {x^{2}}{y^{\prime }} \]
i.c.

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_poly_yn]]

0.607

16918

\[ {}y^{\prime \prime \prime } = \sqrt {1-{y^{\prime \prime }}^{2}} \]

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

1.899

16919

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

[[_3rd_order, _missing_y]]

0.177

16920

\[ {}y^{\prime \prime } = \sqrt {1+{y^{\prime }}^{2}} \]

[[_2nd_order, _missing_x]]

2.382

16921

\[ {}y^{\prime \prime } = {y^{\prime }}^{2} \]

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

0.310

16922

\[ {}y^{\prime \prime } = \sqrt {1-{y^{\prime }}^{2}} \]

[[_2nd_order, _missing_x]]

2.046

16923

\[ {}y^{\prime \prime } = 1+{y^{\prime }}^{2} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

4.630

16924

\[ {}y^{\prime \prime } = \sqrt {1+y^{\prime }} \]

[[_2nd_order, _missing_x]]

80.868

16925

\[ {}y^{\prime \prime } = y^{\prime } \ln \left (y^{\prime }\right ) \]
i.c.

[[_2nd_order, _missing_x]]

0.602

16926

\[ {}y^{\prime \prime }+y^{\prime }+2 = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.334

16927

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

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

0.744

16928

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

[[_2nd_order, _missing_x]]

6.066

16929

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

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

0.287

16930

\[ {}y y^{\prime \prime } = {y^{\prime }}^{2} \]

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

0.273

16931

\[ {}y^{\prime \prime } = 2 y^{\prime } y \]
i.c.

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

0.965

16932

\[ {}3 y^{\prime } y^{\prime \prime } = 2 y \]
i.c.

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

1.912

16933

\[ {}2 y^{\prime \prime } = 3 y^{2} \]
i.c.

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

1.865

16934

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

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

0.465

16935

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

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

0.304

16936

\[ {}y y^{\prime \prime } = 1+{y^{\prime }}^{2} \]

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

3.152

16937

\[ {}2 y y^{\prime \prime } = 1+{y^{\prime }}^{2} \]

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

1.245

16938

\[ {}y^{3} y^{\prime \prime } = -1 \]
i.c.

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

2.074

16939

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

[[_2nd_order, _missing_x], [_2nd_order, _with_potential_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.510

16940

\[ {}y^{\prime \prime } = {\mathrm e}^{2 y} \]
i.c.

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

26.429

16941

\[ {}2 y y^{\prime \prime }-3 {y^{\prime }}^{2} = 4 y^{2} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

5.263

16942

\[ {}y^{\prime \prime \prime } = 3 y^{\prime } y \]
i.c.

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.061

16943

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

[[_2nd_order, _missing_x]]

2.301

16944

\[ {}3 y^{\prime \prime }-2 y^{\prime }-8 y = 0 \]

[[_2nd_order, _missing_x]]

1.161

16945

\[ {}y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.148

16946

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

[[_2nd_order, _missing_x]]

1.257

16947

\[ {}y^{\prime \prime }-4 y^{\prime }+3 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.757

16948

\[ {}y^{\prime \prime \prime }+6 y^{\prime \prime }+11 y^{\prime }+6 y = 0 \]

[[_3rd_order, _missing_x]]

0.091

16949

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

[[_2nd_order, _missing_x]]

1.378

16950

\[ {}y^{\left (6\right )}+2 y^{\left (5\right )}+y^{\prime \prime \prime \prime } = 0 \]

[[_high_order, _missing_x]]

0.095

16951

\[ {}4 y^{\prime \prime }-8 y^{\prime }+5 y = 0 \]

[[_2nd_order, _missing_x]]

1.920

16952

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

[[_3rd_order, _missing_x]]

0.095

16953

\[ {}y^{\prime \prime \prime \prime }+4 y^{\prime \prime \prime }+10 y^{\prime \prime }+12 y^{\prime }+5 y = 0 \]

[[_high_order, _missing_x]]

0.098

16954

\[ {}y^{\prime \prime }-2 y^{\prime }+2 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.460

16955

\[ {}y^{\prime \prime }-2 y^{\prime }+3 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

3.234

16956

\[ {}y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+4 y^{\prime \prime }-2 y^{\prime }-5 y = 0 \]

[[_high_order, _missing_x]]

0.099

16957

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

[[_high_order, _missing_x]]

0.105

16958

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

[[_3rd_order, _missing_x]]

0.085

16959

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

[[_3rd_order, _missing_x]]

0.087

16960

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

[[_high_order, _missing_x]]

0.091

16961

\[ {}y^{\left (5\right )} = 0 \]

[[_high_order, _quadrature]]

0.055

16962

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

[[_3rd_order, _missing_x]]

0.080

16963

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

[[_3rd_order, _missing_x]]

0.083

16964

\[ {}y^{\prime \prime \prime }+y^{\prime \prime } = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.138

16965

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

[[_2nd_order, _missing_x]]

2.398

16966

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

[[_2nd_order, _missing_y]]

2.508

16967

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

[[_2nd_order, _missing_y]]

2.277

16968

\[ {}y^{\prime \prime }+7 y^{\prime } = {\mathrm e}^{-7 x} \]

[[_2nd_order, _missing_y]]

2.250

16969

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = \left (1-x \right ) {\mathrm e}^{4 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.507

16970

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = {\mathrm e}^{5 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.472

16971

\[ {}4 y^{\prime \prime }-3 y^{\prime } = x \,{\mathrm e}^{\frac {3 x}{4}} \]

[[_2nd_order, _missing_y]]

2.455

16972

\[ {}y^{\prime \prime }-4 y^{\prime } = x \,{\mathrm e}^{4 x} \]

[[_2nd_order, _missing_y]]

2.479

16973

\[ {}y^{\prime \prime }+25 y = \cos \left (5 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

4.199

16974

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.321

16975

\[ {}y^{\prime \prime }+16 y = \sin \left (4 x +\alpha \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

6.578

16976

\[ {}y^{\prime \prime }+4 y^{\prime }+8 y = {\mathrm e}^{2 x} \left (\sin \left (2 x \right )+\cos \left (2 x \right )\right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

15.847

16977

\[ {}y^{\prime \prime }-4 y^{\prime }+8 y = {\mathrm e}^{2 x} \left (\sin \left (2 x \right )-\cos \left (2 x \right )\right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

26.360

16978

\[ {}y^{\prime \prime }+6 y^{\prime }+13 y = {\mathrm e}^{-3 x} \cos \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

21.930

16979

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

[[_2nd_order, _linear, _nonhomogeneous]]

6.548

16980

\[ {}y^{\prime \prime }+k^{2} y = k \]

[[_2nd_order, _missing_x]]

2.131

16981

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

[[_3rd_order, _with_linear_symmetries]]

0.118

16982

\[ {}y^{\prime \prime \prime }+6 y^{\prime \prime }+11 y^{\prime }+6 y = 1 \]

[[_3rd_order, _missing_x]]

0.111

16983

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

[[_3rd_order, _missing_x]]

0.100

16984

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

[[_3rd_order, _missing_x]]

0.098

16985

\[ {}y^{\prime \prime \prime \prime }-y = 1 \]

[[_high_order, _missing_x]]

0.108

16986

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

[[_high_order, _missing_x]]

0.118

16987

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

[[_high_order, _missing_x]]

0.124

16988

\[ {}y^{\prime \prime \prime \prime }-y^{\prime \prime \prime } = 4 \]

[[_high_order, _missing_x]]

0.120

16989

\[ {}y^{\prime \prime \prime \prime }+4 y^{\prime \prime \prime }+4 y^{\prime \prime } = 1 \]

[[_high_order, _missing_x]]

0.114

16990

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

[[_high_order, _missing_y]]

0.123

16991

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

[[_high_order, _missing_y]]

0.128

16992

\[ {}y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+y^{\prime \prime } = x \,{\mathrm e}^{-x} \]

[[_high_order, _missing_y]]

0.142

16993

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

[[_high_order, _linear, _nonhomogeneous]]

0.170

16994

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

[[_high_order, _linear, _nonhomogeneous]]

0.156

16995

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

[[_high_order, _linear, _nonhomogeneous]]

0.209

16996

\[ {}y^{\prime \prime \prime \prime }+2 n^{2} y^{\prime \prime }+n^{4} y = a \sin \left (n x +\alpha \right ) \]

[[_high_order, _linear, _nonhomogeneous]]

1.174

16997

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

[[_high_order, _linear, _nonhomogeneous]]

0.195

16998

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

[[_high_order, _linear, _nonhomogeneous]]

0.156

16999

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+6 y^{\prime \prime }-4 y^{\prime }+y = {\mathrm e}^{x} \]

[[_high_order, _with_linear_symmetries]]

0.149

17000

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+6 y^{\prime \prime }-4 y^{\prime }+y = x \,{\mathrm e}^{x} \]

[[_high_order, _linear, _nonhomogeneous]]

0.155