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]

2.487

5102

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

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

2.361

5103

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

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

4.983

5104

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

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

2.406

5105

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

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

3.250

5106

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

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

4.773

5107

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

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

3.017

5108

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

[_separable]

1.921

5109

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

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

1.842

5110

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

[_separable]

2.274

5111

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

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

8.113

5112

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

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

3.180

5113

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

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

1.641

5114

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

[_separable]

1.306

5115

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

[_separable]

1.428

5116

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

[_separable]

1.404

5117

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

[_quadrature]

0.748

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‘]]

1.112

5119

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

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

5.915

5120

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

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

0.877

5121

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

[_separable]

1.385

5122

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

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

4.788

5123

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

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

37.446

5124

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

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

3.383

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‘]]

4.734

5126

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

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

3.711

5127

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

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

1.213

5128

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

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

4.694

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‘]]

4.660

5130

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

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

2.080

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‘]]

1.944

5132

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

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

3.505

5133

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

[_separable]

1.217

5134

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

[_separable]

1.424

5135

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

[_rational, _Bernoulli]

1.414

5136

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

[_separable]

1.601

5137

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

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

1.274

5138

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

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

4.554

5139

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

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

7.708

5140

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

[_rational, _Bernoulli]

2.276

5141

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

[_rational, _Bernoulli]

1.351

5142

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

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

1.567

5143

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

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

14.065

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‘]]

67.428

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‘]]

3.940

5146

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

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

1.407

5147

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

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

1.417

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‘]]

2.138

5149

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

[_exact, _rational, _Bernoulli]

1.730

5150

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

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

4.092

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‘]]

6.008

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‘]]

1.389

5153

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

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

1.437

5154

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

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

5.047

5155

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

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

4.871

5156

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

[_separable]

1.360

5157

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

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

4.352

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‘]]

4.651

5159

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

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

1.245

5160

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

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

1.779

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‘]]

1.742

5162

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

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

1.562

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‘]]

2.525

5164

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

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

2.197

5165

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

[_separable]

1.569

5166

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

[_separable]

1.669

5167

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

[_separable]

4.275

5168

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

[_rational, _Bernoulli]

1.664

5169

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

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

2.233

5170

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

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

1.777

5171

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

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

2.013

5172

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

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

2.531

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]

47.083

5174

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

[_separable]

2.624

5175

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

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

2.365

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]

10.118

5177

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

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

2.558

5178

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

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

1.491

5179

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

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

1.466

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‘]]

4.378

5181

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

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

5.590

5182

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

[_separable]

3.235

5183

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

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

2.483

5184

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

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

0.941

5185

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

[_separable]

2.715

5186

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

[_separable]

2.275

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‘]]

4.505

5188

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

[_separable]

1.292

5189

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

[_separable]

1.441

5190

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

[_exact, _rational]

1.233

5191

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

[_exact, _rational]

1.152

5192

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

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

5.219

5193

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

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

3.372

5194

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

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

4.602

5195

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

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

94.251

5196

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

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

4.472

5197

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

[[_1st_order, _with_linear_symmetries], _rational]

1.102

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]‘]]

1.002

5199

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

[_exact, _rational]

1.235

5200

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

[_rational]

1.170