2.20.19 Differential equations with applications and historial notes, George F. Simmons, 1971

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

Table 2.416: Differential equations with applications and historial notes, George F. Simmons, 1971

#

ODE

A

B

C

Program classification

CAS classification

Solved?

Verified?

time (sec)

3080

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

1

1

2

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.035

3081

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

1

1

1

riccati, bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.959

3082

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

1

1

1

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

5.107

3083

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

1

1

1

homogeneousTypeD, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.435

3084

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

1

1

1

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class D‘]]

0.848

3085

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

1

1

1

riccati, homogeneousTypeC, first_order_ode_lie_symmetry_lookup

[[_homogeneous, ‘class C‘], _Riccati]

0.807

3086

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

1

1

1

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _dAlembert]

2.507

3087

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

1

1

1

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

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

1.974

3088

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

1

1

1

first_order_ode_lie_symmetry_calculated

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

1.003

3089

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

1

1

1

exact, first_order_ode_lie_symmetry_calculated

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

1.217

3090

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

1

1

0

exactWithIntegrationFactor

[‘y=_G(x,y’)‘]

33.48

3091

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

1

1

1

exact, differentialType

[_exact, _rational]

1.237

3092

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

1

0

0

unknown

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

N/A

1.05

3093

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

1

1

2

exact, linear, separable, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.069

3094

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

1

1

3

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

38.22

3095

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

1

1

1

exact

[_exact]

7.582

3096

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

1

1

1

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

0.973

3097

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

1

1

1

exact, linear, separable, homogeneousTypeD2, homogeneousTypeMapleC, first_order_ode_lie_symmetry_lookup

[_separable]

0.994

3098

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

1

1

3

exact

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

31.98

3099

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

1

1

1

exact, riccati

[_exact, _rational, _Riccati]

1.38

3100

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

1

1

3

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.34

3101

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

1

1

2

exactWithIntegrationFactor

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

1.131

3102

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

1

1

4

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.339

3103

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

1

1

2

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

0.852

3104

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

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.707

3105

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

1

1

1

riccati, exactByInspection, homogeneousTypeD2

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

1.711

3106

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

1

1

1

exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.237

3107

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

1

1

1

riccati, homogeneousTypeD2

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

1.45

3108

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.685

3109

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.835

3110

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

1

1

1

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

1.515

3111

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.165

3112

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.387

3113

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.095

3114

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

1

1

1

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.646

3115

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

1

1

1

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

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

3.294

3116

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

1

1

1

first_order_ode_lie_symmetry_calculated

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

11.182

3117

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

1

1

3

first_order_ode_lie_symmetry_calculated

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

4.336

3118

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

1

0

0

unknown

[_rational]

N/A

1.843

3119

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

1

1

1

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

1.263

3120

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

1

1

1

exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.762

3121

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

1

1

3

exact

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

1.849

3122

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

1

1

1

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.75

3123

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

1

1

1

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

0.962

3124

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

1

1

1

first_order_ode_lie_symmetry_calculated

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

1.287

3125

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

1

1

1

exact, first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _exact]

3.343

3126

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

1

1

1

exact

[_exact]

32.26

3127

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

1

1

1

exact, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _exact, _dAlembert]

1.388

3128

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.701

3129

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

1

1

2

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.286

3130

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

1

1

1

exact, linear, differentialType, first_order_ode_lie_symmetry_lookup

[_linear]

0.955

3131

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

1

1

1

exact

[_exact]

33.056

3132

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

1

1

1

exact

[_exact]

1.879

3133

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

1

1

1

exactWithIntegrationFactor

[‘y=_G(x,y’)‘]

1.777