2.16.39 Problems 3801 to 3900

Table 2.94: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

3801

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

exact, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.526

3802

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

exactWithIntegrationFactor

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

1.194

3803

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

exactWithIntegrationFactor

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

1.174

3804

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

exact, first_order_ode_lie_symmetry_calculated

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

2.415

3805

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

exact, bernoulli, first_order_ode_lie_symmetry_lookup

[_exact, _rational, _Bernoulli]

0.92

3806

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.437

3807

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.763

3808

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

exact

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

0.997

3809

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

exact

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

1.068

3810

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

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.403

3811

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

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.078

3812

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.72

3813

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

3.023

3814

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

first_order_ode_lie_symmetry_calculated

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘], [_Abel, ‘2nd type‘, ‘class C‘]]

6.516

3815

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

exact

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

0.925

3816

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

unknown

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

N/A

0.747

3817

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.041

3818

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

exact

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

1.267

3819

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

0.848

3820

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.184

3821

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.03

3822

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.244

3823

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

exact, bernoulli, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

3.071

3824

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

0.832

3825

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

bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.65

3826

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.144

3827

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.707

3828

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

0.883

3829

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.968

3830

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

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.658

3831

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.836

3832

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.125

3833

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.39

3834

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

exact, bernoulli, first_order_ode_lie_symmetry_lookup

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

0.829

3835

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

exact

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

1.14

3836

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

first_order_ode_lie_symmetry_calculated

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

6.575

3837

\[ {}8 x^{3} y y^{\prime }+3 x^{4}-6 x^{2} y^{2}-y^{4} = 0 \]

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.09

3838

\[ {}x y \left (b \,x^{2}+a \right ) y^{\prime } = A +B y^{2} \]

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

3.143

3839

\[ {}3 x^{4} y y^{\prime } = 1-2 x^{3} y^{2} \]

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.97

3840

\[ {}x^{7} y y^{\prime } = 2 x^{2}+2+5 x^{3} y \]

unknown

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

N/A

0.408

3841

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.895

3842

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.23

3843

\[ {}\left (\operatorname {g0} \left (x \right )+y \operatorname {g1} \left (x \right )\right ) y^{\prime } = \operatorname {f0} \left (x \right )+\operatorname {f1} \left (x \right ) y+\operatorname {f2} \left (x \right ) y^{2}+\operatorname {f3} \left (x \right ) y^{3} \]

unknown

[[_Abel, ‘2nd type‘, ‘class C‘]]

N/A

1.832

3844

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.56

3845

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.704

3846

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

exact

[_exact, _rational]

1.427

3847

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

exact, differentialType

[_exact, _rational]

9.654

3848

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.749

3849

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

0.924

3850

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.559

3851

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

exact, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

7.746

3852

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

exact, differentialType, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

9.385

3853

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

0.654

3854

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

exact, differentialType

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

8.592

3855

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

exact

[_exact, _rational]

1.213

3856

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

exactByInspection

[_rational]

0.873

3857

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.833

3858

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.571

3859

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

exact, separable, differentialType, first_order_ode_lie_symmetry_lookup

[_separable]

165.359

3860

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

unknown

[_rational]

N/A

1.139

3861

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

exactWithIntegrationFactor

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

0.951

3862

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

exact, differentialType

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

10.477

3863

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

2.296

3864

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

first_order_ode_lie_symmetry_calculated

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

0.724

3865

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

first_order_ode_lie_symmetry_calculated

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

2.306

3866

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

0.846

3867

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

0.983

3868

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational]

1.479

3869

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

exact, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.232

3870

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.04

3871

\[ {}\left (1-3 x -y\right )^{2} y^{\prime } = \left (1-2 y\right ) \left (3-6 x -4 y\right ) \]

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational]

3.851

3872

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

unknown

[‘y=_G(x,y’)‘]

N/A

37.644

3873

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

1.469

3874

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

exact, differentialType

[_exact, _rational]

9.799

3875

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

0.871

3876

\[ {}3 \left (x^{2}-y^{2}\right ) y^{\prime }+3 \,{\mathrm e}^{x}+6 x y \left (1+x \right )-2 y^{3} = 0 \]

exactWithIntegrationFactor

[‘y=_G(x,y’)‘]

1.554

3877

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

exact, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.765

3878

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

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class C‘], _rational]

5.158

3879

\[ {}\left (1-3 x^{2} y+6 y^{2}\right ) y^{\prime }+x^{2}-3 x y^{2} = 0 \]

exact

[_exact, _rational]

1.418

3880

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

exact

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

1.193

3881

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.386

3882

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.31

3883

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

10.048

3884

\[ {}\left (x^{2} a +2 b x y+c y^{2}\right ) y^{\prime }+k \,x^{2}+2 a x y+b y^{2} = 0 \]

exact, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.106

3885

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.766

3886

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

first_order_ode_lie_symmetry_calculated

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

3.765

3887

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

homogeneousTypeD2

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

1.078

3888

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

5.356

3889

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

5.602

3890

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.135

3891

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational]

2.066

3892

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.206

3893

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.157

3894

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.309

3895

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.513

3896

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

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

4.329

3897

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.257

3898

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

3.391

3899

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.135

3900

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

exact, bernoulli, first_order_ode_lie_symmetry_lookup

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

1.135