2.16.51 Problems 5001 to 5100

Table 2.118: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

5001

\[ {}t^{3} y^{2}+\frac {t^{4} y^{\prime }}{y^{6}} = 0 \]

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.602

5002

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.993

5003

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

second order series method. Irregular singular point

[[_2nd_order, _with_linear_symmetries]]

N/A

0.53

5004

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

8.434

5005

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

second order series method. Regular singular point. Difference is integer

[[_Emden, _Fowler]]

2.754

5006

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.035

5007

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.827

5008

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

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

4.543

5009

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.792

5010

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

second order series method. Irregular singular point

[[_2nd_order, _with_linear_symmetries]]

N/A

4.331

5011

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

0.401

5012

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

0.368

5013

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

0.358

5014

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.489

5015

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.652

5016

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _missing_x]]

0.497

5017

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

second order series method. Ordinary point, second order series method. Taylor series method

[_Lienard]

0.769

5018

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.852

5019

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.993

5020

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

second order series method. Ordinary point, second order series method. Taylor series method

[_Hermite]

0.798

5021

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

2.342

5022

\[ {}\left (x^{2}-5 x +6\right ) y^{\prime \prime }-3 x y^{\prime }-y = 0 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

3.8

5023

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

second order series method. Ordinary point, second order series method. Taylor series method

[_Lienard]

2.783

5024

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

3.335

5025

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

0.348

5026

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

0.415

5027

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.675

5028

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.786

5029

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.814

5030

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.793

5031

\[ {}x^{\prime }+\sin \left (t \right ) x = 0 \]

i.c.

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

2.027

5032

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

i.c.

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

1.951

5033

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

i.c.

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

2.539

5034

\[ {}y^{\prime \prime }+t y^{\prime }+y \,{\mathrm e}^{t} = 0 \]

i.c.

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.905

5035

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

i.c.

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

7.862

5036

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_linear]

0.528

5037

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_linear]

0.481

5038

\[ {}z^{\prime \prime }+x z^{\prime }+z = x^{2}+2 x +1 \]

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.543

5039

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _linear, _nonhomogeneous]]

0.539

5040

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.856

5041

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _linear, _nonhomogeneous]]

1.188

5042

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _linear, _nonhomogeneous]]

4.117

5043

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

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _linear, _nonhomogeneous]]

2.561

5044

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

second order series method. Ordinary point, second order series method. Taylor series method

[_Gegenbauer]

0.91

5045

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

kovacic, second_order_linear_constant_coeff, second_order_ode_can_be_made_integrable

[[_2nd_order, _missing_x]]

0.794

5046

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

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

0.27

5047

\[ {}x^{\prime \prime }+42 x^{\prime }+x = 0 \]

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.707

5048

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

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.588

5049

\[ {}x^{\prime \prime \prime }-3 x^{\prime \prime }-9 x^{\prime }-5 x = 0 \]

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

0.274

5050

\[ {}x^{\prime \prime }+2 \gamma x^{\prime }+\omega _{0} x = F \cos \left (\omega t \right ) \]

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.78

5051

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

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

1.086

5052

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

i.c.

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _linear, _nonhomogeneous]]

1.141

5053

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

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

1.167

5054

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

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

1.301

5055

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.553

5056

\[ {}x^{2} y^{\prime }+2 x y-x +1 = 0 \]

i.c.

exact, linear, differentialType, first_order_ode_lie_symmetry_lookup

[_linear]

1.41

5057

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.194

5058

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

i.c.

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

1.306

5059

\[ {}y^{\prime }+\frac {y}{1-x}+2 x -x^{2} = 0 \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.63

5060

\[ {}y^{\prime }+\frac {y}{1-x}+x -x^{2} = 0 \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.593

5061

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.216

5062

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

exact, riccati, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.536

5063

\[ {}3 x y^{\prime }+y+y^{4} x^{2} = 0 \]

bernoulli, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class G‘], _rational, _Bernoulli]

0.913

5064

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.64

5065

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

kovacic, exact linear second order ode, second_order_integrable_as_is, second_order_change_of_variable_on_y_method_1, second_order_change_of_variable_on_y_method_2

[[_2nd_order, _exact, _linear, _homogeneous]]

1.774

5066

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }-9 y = 0 \]

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

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

1.366

5067

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

kovacic, second_order_bessel_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2

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

1.381

5068

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

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_1, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2, second_order_ode_non_constant_coeff_transformation_on_B

[[_Emden, _Fowler]]

1.588

5069

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

kovacic, second_order_bessel_ode

[[_Emden, _Fowler]]

0.718

5070

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

kovacic

[[_2nd_order, _with_linear_symmetries]]

0.466

5071

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

kovacic, second_order_bessel_ode

[[_2nd_order, _with_linear_symmetries]]

0.899

5072

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.561

5073

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.548

5074

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

unknown

[_Laguerre]

N/A

0.618

5075

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

quadrature

[_quadrature]

0.173

5076

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

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.693

5077

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.583

5078

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.578

5079

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

quadrature

[_quadrature]

0.595

5080

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.332

5081

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

2.816

5082

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

exact, linear, separable, differentialType, first_order_ode_lie_symmetry_lookup

[_separable]

1.437

5083

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.762

5084

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.692

5085

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class G‘], _rational, _Bernoulli]

1.257

5086

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

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class G‘], _rational, _Bernoulli]

0.606

5087

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

separable

[_separable]

0.481

5088

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

i.c.

separable

[_separable]

0.514

5089

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

separable

[_separable]

0.513

5090

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

i.c.

separable

[_separable]

1.862

5091

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

separable

[_separable]

0.279

5092

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

homogeneous

[[_homogeneous, ‘class A‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.664

5093

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

homogeneous

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

0.401

5094

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

homogeneous

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

0.616

5095

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

homogeneous

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

0.642

5096

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

homogeneous

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

0.565

5097

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

linear

[_linear]

0.231

5098

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

linear

[_linear]

0.239

5099

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

i.c.

linear

[_linear]

0.531

5100

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

i.c.

linear

[_separable]

0.491