2.20.45 Elementary differential equations. By Earl D. Rainville, Phillip E. Bedient. Macmilliam Publishing Co. NY. 6th edition. 1981.

Column notations: A is ODE degree. B is Program Number of solutions generated. C is CAS Number of solutions generated.

Table 2.468: Elementary differential equations. By Earl D. Rainville, Phillip E. Bedient. Macmilliam Publishing Co. NY. 6th edition. 1981.

#

ODE

A

B

C

Program classification

CAS classification

Solved?

Verified?

time (sec)

6767

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

2

1

2

separable

[_separable]

0.528

6768

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

2

1

2

quadrature, separable

[_quadrature]

0.503

6769

\[ {}x^{2} {y^{\prime }}^{2}-5 x y y^{\prime }+6 y^{2} = 0 \]

2

1

2

separable

[_separable]

0.602

6770

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

2

1

2

separable

[_separable]

0.618

6771

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

2

1

2

quadrature, separable

[_quadrature]

0.421

6772

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

2

1

2

quadrature, separable

[_quadrature]

0.398

6773

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

2

1

2

quadrature

[_quadrature]

0.282

6774

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

2

1

2

separable

[_separable]

0.465

6775

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

2

1

3

homogeneousTypeD2

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

1.195

6776

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

2

2

3

quadrature, separable

[_quadrature]

0.532

6777

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

2

1

2

separable

[_separable]

0.546

6778

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

2

1

3

quadrature, homogeneousTypeD2

[_quadrature]

0.836

6779

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

2

1

3

homogeneousTypeD2

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

1.11

6780

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

2

2

3

quadrature, separable

[_quadrature]

0.536

6781

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

2

1

5

homogeneousTypeD2

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

1.7

6782

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

2

1

4

homogeneousTypeD2

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

1.439

6783

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

2

1

6

homogeneousTypeD2

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

1.103

6784

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

3

1

3

quadrature, separable

[_quadrature]

0.477

6785

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

2

2

3

quadrature

[_quadrature]

0.403

6786

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

2

3

3

dAlembert

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

0.368

6787

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

2

2

5

first_order_ode_lie_symmetry_calculated

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

4.311

6788

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

2

3

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.498

6789

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

2

2

2

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.262

6790

\[ {}{y^{\prime }}^{2}+4 x^{5} y^{\prime }-12 x^{4} y = 0 \]

2

2

2

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

4.935

6791

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

2

2

6

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

6.27

6792

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

2

1

3

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

22.549

6793

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

3

5

4

dAlembert

[_dAlembert]

151.773

6794

\[ {}y^{4} {y^{\prime }}^{3}-6 x y^{\prime }+2 y = 0 \]

3

1

10

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

114.33

6795

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

2

2

2

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

5.641

6796

\[ {}{y^{\prime }}^{2}+4 x^{5} y^{\prime }-12 x^{4} y = 0 \]

2

2

2

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

4.579

6797

\[ {}2 x {y^{\prime }}^{3}-6 y {y^{\prime }}^{2}+x^{4} = 0 \]

3

1

4

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

108.481

6798

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

2

2

2

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.292

6799

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

2

2

2

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.302

6800

\[ {}x^{8} {y^{\prime }}^{2}+3 x y^{\prime }+9 y = 0 \]

2

2

3

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘]]

4.955

6801

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

2

2

4

first_order_ode_lie_symmetry_calculated

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

5.307

6802

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

2

3

3

dAlembert

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

0.375

6803

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

2

2

5

first_order_ode_lie_symmetry_calculated

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

4.55

6804

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

2

3

3

clairaut

[[_1st_order, _with_linear_symmetries], _rational, _dAlembert]

0.401

6805

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

2

3

3

clairaut

[[_1st_order, _with_linear_symmetries], _rational, _Clairaut]

0.422

6806

\[ {}x^{6} {y^{\prime }}^{3}-3 x y^{\prime }-3 y = 0 \]

3

1

3

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

23.949

6807

\[ {}y = x^{6} {y^{\prime }}^{3}-x y^{\prime } \]

3

1

3

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

94.164

6808

\[ {}x {y^{\prime }}^{4}-2 y {y^{\prime }}^{3}+12 x^{3} = 0 \]

4

0

5

unknown

[[_1st_order, _with_linear_symmetries]]

N/A

3.405

6809

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

3

4

4

clairaut

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.012

6810

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

2

3

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.461

6811

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

3

4

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

94.181

6812

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

2

3

1

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.528

6813

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

3

4

4

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

6.592

6814

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

2

2

4

dAlembert

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

0.581

6815

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

3

4

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

92.384

6816

\[ {}5 {y^{\prime }}^{2}+6 x y^{\prime }-2 y = 0 \]

2

3

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.694

6817

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

2

3

1

dAlembert

[_rational, _dAlembert]

1.139

6818

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

2

3

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.63

6819

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

2

3

2

dAlembert

[[_1st_order, _with_linear_symmetries], _dAlembert]

0.612

6820

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

2

2

0

first_order_ode_lie_symmetry_calculated

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

25.161

6821

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

1

2

2

second_order_ode_missing_y

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

1.338

6822

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

i.c.

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

1.013

6823

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

i.c.

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

0.807

6824

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

1

2

3

second_order_integrable_as_is, second_order_ode_missing_x, exact nonlinear second order ode

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

1.438

6825

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

1

1

3

second_order_ode_missing_x

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.994

6826

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

1

1

2

second_order_ode_missing_x

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

1.032

6827

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

1

2

2

second_order_ode_missing_x, second_order_ode_missing_y

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_y_y1]]

1.347

6828

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

i.c.

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is, second_order_ode_missing_y, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _missing_y]]

3.078

6829

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

i.c.

1

1

1

kovacic, exact linear second order ode, second_order_integrable_as_is, second_order_ode_missing_y, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _missing_y]]

2.556

6830

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

1

3

4

second_order_ode_missing_x

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

142.67

6831

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

1

1

3

second_order_ode_missing_x

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

1.911

6832

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

1

1

1

kovacic, second_order_linear_constant_coeff, second_order_ode_can_be_made_integrable

[[_2nd_order, _missing_x]]

1.576

6833

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

1

1

3

second_order_ode_missing_x

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

1.004

6834

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

1

1

1

second_order_ode_missing_y, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _missing_y]]

2.085

6835

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

i.c.

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

1.128

6836

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

i.c.

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.937

6837

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

i.c.

1

2

1

second_order_ode_missing_x, second_order_ode_can_be_made_integrable

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

63.49

6838

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

i.c.

1

2

1

second_order_ode_missing_x, second_order_ode_can_be_made_integrable

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

62.529

6839

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

i.c.

1

2

1

second_order_ode_missing_x, second_order_ode_can_be_made_integrable

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

10.706

6840

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

i.c.

1

2

1

second_order_ode_missing_x, second_order_ode_can_be_made_integrable

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

6.464

6841

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

1

1

1

kovacic, second_order_ode_missing_y, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _missing_y]]

1.612

6842

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

1

1

1

second_order_ode_missing_x, second_order_ode_missing_y

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

0.592

6843

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

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

0.592

6844

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

1

2

2

second_order_ode_missing_y

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

3.171

6845

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

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.645

6846

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

1

2

1

second_order_ode_missing_x, second_order_ode_missing_y

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

1.585

6847

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

2

2

3

second_order_ode_missing_x, second_order_ode_missing_y

[[_2nd_order, _missing_x]]

5.48

6848

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

1

1

2

second_order_ode_missing_x

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_y_y1]]

5.556

6849

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

1

1

4

second_order_ode_missing_x

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

2.111

6850

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

2

4

7

second_order_ode_missing_x

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

11.033

6851

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

i.c.

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

1.155

6852

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

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

0.875

6853

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

1

1

1

second_order_ode_missing_y, second_order_nonlinear_solved_by_mainardi_lioville_method

[[_2nd_order, _missing_y], _Liouville, [_2nd_order, _reducible, _mu_xy]]

1.083

6854

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

i.c.

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

1.091

6855

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

1

1

1

second_order_ode_missing_y

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_xy]]

1.299

6856

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

i.c.

2

4

2

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

141.525

6857

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

2

2

2

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

0.686

6858

\[ {}{y^{\prime \prime }}^{3} = 12 y^{\prime } \left (x y^{\prime \prime }-2 y^{\prime }\right ) \]

3

1

3

second_order_ode_missing_y

[[_2nd_order, _missing_y]]

126.669

6859

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

1

3

3

second_order_ode_missing_x

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

8.366

6860

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

1

4

4

second_order_ode_missing_x

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

7.635