2.16.11 Problems 1001 to 1100

Table 2.38: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

1001

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

i.c.

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

2.448

1002

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

i.c.

riccati, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.981

1003

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

i.c.

riccati, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.976

1004

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

i.c.

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

2.984

1005

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

exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.582

1006

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class A‘]]

4.368

1007

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.686

1008

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

exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.706

1009

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.826

1010

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

87.84

1011

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.707

1012

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

i.c.

riccati, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.735

1013

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.616

1014

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

5.976

1015

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.73

1016

\[ {}y^{\prime } = \frac {-6 x +y-3}{2 x -y-1} \]

polynomial

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

1.35

1017

\[ {}y^{\prime } = \frac {2 x +y+1}{x +2 y-4} \]

polynomial

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

1.258

1018

\[ {}y^{\prime } = \frac {-x +3 y-14}{x +y-2} \]

polynomial

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

0.929

1019

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.648

1020

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.386

1021

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

riccati, first_order_ode_lie_symmetry_calculated

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

3.026

1022

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

riccati, first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _Riccati]

1.691

1023

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

riccati

[_Riccati]

55.009

1024

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

riccati

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘], _Riccati]

2.782

1025

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.043

1026

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

exactWithIntegrationFactor

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

3.753

1027

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

i.c.

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

16.555

1028

\[ {}y^{\prime }+\frac {3 y}{x} = \frac {3 x^{4} y^{2}+10 x^{2} y+6}{x^{3} \left (2 x^{2} y+5\right )} \]

i.c.

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

12.26

1029

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

riccati, first_order_ode_lie_symmetry_calculated

[_Riccati]

3.421

1030

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.474

1031

\[ {}3 y \cos \left (x \right )+4 x \,{\mathrm e}^{x}+2 x^{3} y+\left (3 \sin \left (x \right )+3\right ) y^{\prime } = 0 \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

153.251

1032

\[ {}14 x^{2} y^{3}+21 x^{2} y^{2} y^{\prime } = 0 \]

quadrature

[_quadrature]

0.444

1033

\[ {}2 x -2 y^{2}+\left (12 y^{2}-4 x y\right ) y^{\prime } = 0 \]

exact

[_exact, _rational]

2.083

1034

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

quadrature

[_quadrature]

0.16

1035

\[ {}4 x +7 y+\left (3 x +4 y\right ) y^{\prime } = 0 \]

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.97

1036

\[ {}-2 \sin \left (x \right ) y^{2}+3 y^{3}-2 x +\left (4 y \cos \left (x \right )+9 x y^{2}\right ) y^{\prime } = 0 \]

exact

[_exact]

35.72

1037

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.662

1038

\[ {}3 x^{2}+2 x y+4 y^{2}+\left (x^{2}+8 x y+18 y\right ) y^{\prime } = 0 \]

exact

[_exact, _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

2.122

1039

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

unknown

[_rational]

N/A

1.431

1040

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.542

1041

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

unknown

[‘y=_G(x,y’)‘]

N/A

53.93

1042

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

exact, separable, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

3.012

1043

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

exact

[_exact, [_Abel, ‘2nd type‘, ‘class B‘]]

2.899

1044

\[ {}x^{2} {\mathrm e}^{y+x^{2}} \left (2 x^{2}+3\right )+4 x +\left (x^{3} {\mathrm e}^{y+x^{2}}-12 y^{2}\right ) y^{\prime } = 0 \]

exact

[_exact]

3.645

1045

\[ {}{\mathrm e}^{x y} \left (y x^{4}+4 x^{3}\right )+3 y+\left (x^{5} {\mathrm e}^{x y}+3 x \right ) y^{\prime } = 0 \]

exact, first_order_ode_lie_symmetry_calculated

[_exact, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

16.681

1046

\[ {}3 x^{2} \cos \left (x \right ) y-x^{3} y^{2} \sin \left (x \right )+4 x +\left (8 y-x^{4} \sin \left (x \right ) y\right ) y^{\prime } = 0 \]

unknown

[[_Abel, ‘2nd type‘, ‘class B‘]]

N/A

52.588

1047

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

i.c.

exact

[_exact, _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

2.983

1048

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

i.c.

exact

[_exact, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

8.937

1049

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

i.c.

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

5.071

1050

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

i.c.

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

2.128

1051

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

i.c.

exact, linear, separable, differentialType, first_order_ode_lie_symmetry_lookup

[_separable]

2.746

1052

\[ {}7 x +4 y+\left (4 x +3 y\right ) y^{\prime } = 0 \]

exact, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.935

1053

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

exact, bernoulli, first_order_ode_lie_symmetry_lookup

[_exact, _Bernoulli]

2.301

1054

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

exact

[_exact, _rational]

2.538

1055

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

exact, differentialType

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

2.579

1056

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

exact

[_exact, _rational]

2.586

1057

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

exact, bernoulli, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

2.431

1058

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

i.c.

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

5.012

1059

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

i.c.

exactWithIntegrationFactor

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

2.682

1060

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

i.c.

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_Abel, ‘2nd type‘, ‘class B‘]]

44.569

1061

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

exact, first_order_ode_lie_symmetry_calculated

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

2.641

1062

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

exact, riccati, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.15

1063

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.003

1064

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.039

1065

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

quadrature

[_quadrature]

0.388

1066

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.224

1067

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.129

1068

\[ {}27 x y^{2}+8 y^{3}+\left (18 x^{2} y+12 x y^{2}\right ) y^{\prime } = 0 \]

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

4.234

1069

\[ {}6 x y^{2}+2 y+\left (12 x^{2} y+6 x +3\right ) y^{\prime } = 0 \]

exactWithIntegrationFactor

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

1.299

1070

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

exactWithIntegrationFactor

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

2.101

1071

\[ {}12 x^{3} y+24 x^{2} y^{2}+\left (9 x^{4}+32 x^{3} y+4 y\right ) y^{\prime } = 0 \]

exactWithIntegrationFactor

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

2.471

1072

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.771

1073

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.483

1074

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

exactWithIntegrationFactor

[[_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

42.992

1075

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

unknown

[_rational]

N/A

33.105

1076

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

4.327

1077

\[ {}a y+b x y+\left (c x +d x y\right ) y^{\prime } = 0 \]

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.798

1078

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

unknown

[_rational, [_Abel, ‘2nd type‘, ‘class C‘]]

N/A

2.23

1079

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.284

1080

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

33.192

1081

\[ {}x^{4} y^{4}+x^{5} y^{3} y^{\prime } = 0 \]

exact, linear, separable, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.446

1082

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

3.591

1083

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

3.156

1084

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

homogeneousTypeD2, exactWithIntegrationFactor

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

2.622

1085

\[ {}12 x y+6 y^{3}+\left (9 x^{2}+10 x y^{2}\right ) y^{\prime } = 0 \]

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

3.186

1086

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

riccati, bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.291

1087

\[ {}y^{\prime \prime }-7 y^{\prime }+10 y = 0 \]

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.808

1088

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

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.943

1089

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

i.c.

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.715

1090

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

i.c.

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _missing_x]]

0.873

1091

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

i.c.

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _missing_x]]

0.709

1092

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

i.c.

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

[[_2nd_order, _exact, _linear, _homogeneous]]

3.006

1093

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

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.345

1094

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 0 \]

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _missing_x]]

0.436

1095

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

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _missing_x]]

0.447

1096

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

kovacic, second_order_euler_ode, exact linear second order ode, second_order_integrable_as_is, 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

[[_2nd_order, _exact, _linear, _homogeneous]]

3.412

1097

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

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]]

2.379

1098

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

kovacic, second_order_euler_ode, second_order_change_of_variable_on_x_method_2, second_order_change_of_variable_on_y_method_2

[[_Emden, _Fowler]]

1.911

1099

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

kovacic, second_order_bessel_ode, second_order_change_of_variable_on_y_method_1

[[_2nd_order, _with_linear_symmetries]]

1.308

1100

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

kovacic, second_order_change_of_variable_on_y_method_2, second_order_ode_non_constant_coeff_transformation_on_B

[[_2nd_order, _with_linear_symmetries]]

2.304