2.2.52 Problems 5101 to 5200

Table 2.105: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

5101

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

[_separable]

2.130

5102

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

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

2.198

5103

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

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

4.640

5104

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

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

2.112

5105

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

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

3.357

5106

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

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

4.321

5107

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

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

2.789

5108

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

[_separable]

2.037

5109

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

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

1.937

5110

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

[_separable]

2.102

5111

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

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

7.610

5112

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

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

2.771

5113

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

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

1.309

5114

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

[_separable]

1.164

5115

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

[_separable]

1.326

5116

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

[_separable]

1.292

5117

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

[_quadrature]

0.799

5118

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

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

1.056

5119

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

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

4.635

5120

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

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

0.859

5121

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

[_separable]

1.425

5122

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

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

6.013

5123

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

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

6.685

5124

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

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

3.107

5125

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

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

4.289

5126

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

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

4.154

5127

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

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

1.198

5128

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

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

4.533

5129

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

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

7.022

5130

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

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

3.729

5131

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

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

3.881

5132

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

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

3.641

5133

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

[_separable]

1.159

5134

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

[_separable]

1.488

5135

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

[_rational, _Bernoulli]

1.337

5136

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

[_separable]

1.698

5137

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

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

1.230

5138

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

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

3.911

5139

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

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

7.615

5140

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

[_rational, _Bernoulli]

3.833

5141

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

[_rational, _Bernoulli]

1.424

5142

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

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

1.544

5143

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

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

15.697

5144

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

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

66.096

5145

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

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

4.576

5146

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

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

1.399

5147

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

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

1.383

5148

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

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

2.777

5149

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

[_exact, _rational, _Bernoulli]

1.625

5150

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

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

3.912

5151

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

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

5.805

5152

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

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

1.334

5153

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

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

1.413

5154

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

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

5.385

5155

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

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

5.226

5156

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

[_separable]

1.681

5157

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

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

5.042

5158

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

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

4.803

5159

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

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

1.224

5160

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

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

1.799

5161

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

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

1.596

5162

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

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

1.530

5163

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

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

2.339

5164

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

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

1.915

5165

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

[_separable]

1.434

5166

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

[_separable]

1.567

5167

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

[_separable]

3.180

5168

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

[_rational, _Bernoulli]

1.577

5169

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

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

2.066

5170

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

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

1.697

5171

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

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

9.819

5172

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

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

2.452

5173

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

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

33.526

5174

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

[_separable]

2.414

5175

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

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

2.032

5176

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

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

9.763

5177

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

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

2.038

5178

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

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

1.662

5179

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

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

1.451

5180

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

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

5.220

5181

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

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

6.167

5182

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

[_separable]

3.468

5183

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

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

2.398

5184

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

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

0.927

5185

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

[_separable]

2.768

5186

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

[_separable]

2.222

5187

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

[[_Abel, ‘2nd type‘, ‘class C‘]]

4.609

5188

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

[_separable]

1.185

5189

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

[_separable]

1.250

5190

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

[_exact, _rational]

1.332

5191

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

[_exact, _rational]

1.117

5192

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

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

5.083

5193

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

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

2.869

5194

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

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

4.457

5195

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

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

56.606

5196

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

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

4.260

5197

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

[[_1st_order, _with_linear_symmetries], _rational]

1.068

5198

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

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

1.068

5199

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

[_exact, _rational]

1.278

5200

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

[_rational]

1.115