2.2.192 Problems 19101 to 19200

Table 2.401: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

19101

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{3}+2 \left (x^{2}-x y^{2}\right ) y^{\prime }&=0 \end {array} \]

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

12.322

19102

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (y^{2} x^{2}-1\right ) y^{\prime }+2 x y^{3}&=0 \end {array} \]

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

22.439

19103

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a x y^{\prime }+b y+x^{m} y^{n} \left (\alpha x y^{\prime }+\beta y\right )&=0 \end {array} \]

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

28.831

19104

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x y^{2}-y+\left (y^{2}+x +y\right ) y^{\prime }&=0 \end {array} \]

[_rational]

81.728

19105

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=2 y x -x^{3}+x \end {array} \]

[_linear]

5.292

19106

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-x y^{2} \ln \left (x \right )+y^{\prime } x&=0 \end {array} \]

[_Bernoulli]

8.439

19107

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-x^{3}+3 x y^{2}+2 y^{3}\right ) y^{\prime }+2 x^{3}+3 x^{2} y+y^{2}-y^{3}&=0 \end {array} \]

[_rational]

14.360

19108

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y {y^{\prime }}^{2}+\left (x -y\right ) y^{\prime }-x&=0 \end {array} \]

[_quadrature]

1.070

19109

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} {y^{\prime }}^{2}-2 y y^{\prime } x +y^{2}&=y^{2} x^{2}+x^{4} \end {array} \]

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

18.473

19110

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{3}-\left (x^{2}+y x +y^{2}\right ) {y^{\prime }}^{2}+\left (x y^{3}+y^{2} x^{2}+x^{3} y\right ) y^{\prime }-x^{3} y^{3}&=0 \end {array} \]

[_quadrature]

0.930

19111

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x {y^{\prime }}^{2}+2 y^{\prime } x -y&=0 \end {array} \]

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

5.516

19112

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{3} x&=1+y^{\prime } \end {array} \]

[_quadrature]

3.645

19113

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{3}-x^{3} \left (1-y^{\prime }\right )&=0 \end {array} \]

[_quadrature]

79.668

19114

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{3}+y^{3}-3 y y^{\prime }&=0 \end {array} \]

[_quadrature]

84.653

19115

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&={y^{\prime }}^{2} {\mathrm e}^{y^{\prime }} \end {array} \]

[_quadrature]

5.683

19116

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (y^{\prime }-1\right )&=\left (2-y^{\prime }\right )^{2} \end {array} \]

[_quadrature]

2.747

19117

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y \left (1+{y^{\prime }}^{2}\right )&=2 \alpha \end {array} \]

[_quadrature]

4.179

19118

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{4}&=4 y \left (y^{\prime } x -2 y\right )^{2} \end {array} \]

[[_homogeneous, ‘class G‘]]

354.688

19119

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=2 y^{\prime } x +\frac {x^{2}}{2}+{y^{\prime }}^{2} \end {array} \]

[[_homogeneous, ‘class G‘]]

6.215

19120

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=\frac {k \left (x +y y^{\prime }\right )}{\sqrt {1+{y^{\prime }}^{2}}} \end {array} \]

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

9.576

19121

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x&=y y^{\prime }+a {y^{\prime }}^{2} \end {array} \]

[_dAlembert]

9.439

19122

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=x {y^{\prime }}^{2}+{y^{\prime }}^{3} \end {array} \]

[_dAlembert]

13.305

19123

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=y^{\prime } x +y^{\prime }-{y^{\prime }}^{2} \end {array} \]

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.071

19124

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=2 y^{\prime } x +y^{2} {y^{\prime }}^{3} \end {array} \]

[[_1st_order, _with_linear_symmetries]]

36.315

19125

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{2} \left (x^{2}-1\right )-2 y y^{\prime } x +y^{2}-1&=0 \end {array} \]

[[_1st_order, _with_linear_symmetries], _rational, _Clairaut]

1.424

19126

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{2}+2 y^{\prime } x +2 y&=0 \end {array} \]

[[_1st_order, _with_linear_symmetries], _dAlembert]

38.196

19127

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\sqrt {y-x} \end {array} \]

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

9.748

19128

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\sqrt {y-x}+1 \end {array} \]

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

6.570

19129

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\sqrt {y} \end {array} \]

[_quadrature]

6.081

19130

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\ln \left (y\right ) y \end {array} \]

[_quadrature]

3.326

19131

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=y \ln \left (y\right )^{2} \end {array} \]

[_quadrature]

3.017

19132

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=-x +\sqrt {x^{2}+2 y} \end {array} \]

[[_1st_order, _with_linear_symmetries], _Clairaut]

11.746

19133

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=-x -\sqrt {x^{2}+2 y} \end {array} \]

[[_1st_order, _with_linear_symmetries], _Clairaut]

11.623

19134

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 x -2 y y^{\prime }+x {y^{\prime }}^{2}&=0 \end {array} \]

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

5.133

19135

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x {y^{\prime }}^{2}+2 y^{\prime } x -y&=0 \end {array} \]

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

5.600

19136

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (y^{\prime }-1\right )&=\left (2-y^{\prime }\right )^{2} \end {array} \]

[_quadrature]

2.559

19137

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{4}&=4 y \left (y^{\prime } x -2 y\right )^{2} \end {array} \]

[[_homogeneous, ‘class G‘]]

347.605

19138

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} {y^{\prime }}^{2}-2 y y^{\prime } x +2 y x&=0 \end {array} \]

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

7.639

19139

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&={y^{\prime }}^{2}-y^{\prime } x +\frac {x^{3}}{2} \end {array} \]

[‘y=_G(x,y’)‘]

48.484

19140

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=2 y^{\prime } x +\frac {x^{2}}{2}+{y^{\prime }}^{2} \end {array} \]

[[_homogeneous, ‘class G‘]]

6.734

19141

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime }}^{2}-y y^{\prime }+{\mathrm e}^{x}&=0 \end {array} \]

[[_1st_order, _with_linear_symmetries]]

1.983

19142

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime \prime \prime }}^{2}+x^{2}&=1 \end {array} \]

[[_3rd_order, _quadrature]]

3.700

19143

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }&=\frac {1}{\sqrt {y}} \end {array} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

13.529

19144

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{3} y^{\prime \prime \prime } y^{\prime \prime }&=\sqrt {1+c^{2} {y^{\prime \prime }}^{2}} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

2.771

19145

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=\sqrt {1+{y^{\prime \prime }}^{2}} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

2.380

19146

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 \left (2 a -y\right ) y^{\prime \prime }&=1+{y^{\prime }}^{2} \end {array} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

4.281

19147

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-x y^{\prime \prime \prime }+{y^{\prime \prime \prime }}^{3}&=0 \end {array} \]

[[_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries]]

5.621

19148

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y y^{\prime \prime }+{y^{\prime }}^{2}&=\ln \left (y\right ) y^{2} \end {array} \]

[[_2nd_order, _missing_x]]

8.597

19149

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y y^{\prime \prime }-{y^{\prime }}^{2}&=0 \end {array} \]

[[_2nd_order, _missing_x], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.064

19150

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y y^{\prime \prime }+x {y^{\prime }}^{2}-y y^{\prime }&=0 \end {array} \]

[[_2nd_order, _exact, _nonlinear], _Liouville, [_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.096

19151

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} n \,x^{3} y^{\prime \prime }&=\left (y-y^{\prime } x \right )^{2} \end {array} \]

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

2.055

19152

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (x^{2} y^{\prime \prime }-y^{\prime } x +y\right )&=x^{3} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

1.597

19153

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{2} y^{\prime \prime }-3 y^{2} y^{\prime } x +4 y^{3}+x^{6}&=0 \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

1.439

19154

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } y^{\prime \prime }-x^{2} y y^{\prime }-x y^{2}&=0 \end {array} \]

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_poly_yn]]

101.730

19155

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x \left (x^{2} y^{\prime }+2 y x \right ) y^{\prime \prime }+4 x {y^{\prime }}^{2}+8 y y^{\prime } x +4 y^{2}-1&=0 \end {array} \]

[NONE]

8.574

19156

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x \left (y x +1\right ) y^{\prime \prime }+x^{2} {y^{\prime }}^{2}+\left (4 y x +2\right ) y^{\prime }+y^{2}+1&=0 \end {array} \]

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_xy]]

1.354

19157

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{2} y^{\prime \prime }&=2 x \sqrt {1+{y^{\prime }}^{2}} \end {array} \]

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.673

19158

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y y^{\prime \prime }+x^{2} {y^{\prime }}^{2}-5 y y^{\prime } x&=4 y^{2} \end {array} \]

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.465

19159

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (1+\ln \left (y\right )\right ) {y^{\prime }}^{2}+\left (1-\ln \left (y\right )\right ) y y^{\prime \prime }&=0 \end {array} \]

[[_2nd_order, _missing_x], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.677

19160

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 5 {y^{\prime \prime \prime }}^{2}-3 y^{\prime \prime } y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries], [_high_order, _reducible, _mu_poly_yn]]

2.398

19161

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 40 {y^{\prime \prime \prime }}^{3}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+9 {y^{\prime \prime }}^{2} y^{\left (5\right )}&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.488

19162

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime \prime }}^{2}+2 y^{\prime \prime } x -y^{\prime }&=0 \end {array} \]

[[_2nd_order, _missing_y]]

9.611

19163

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime \prime }}^{2}-2 y^{\prime \prime } x -y^{\prime }&=0 \end {array} \]

[[_2nd_order, _missing_y]]

1.265

19164

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{3} y^{\prime \prime \prime }-6 x^{2} y^{\prime \prime }+12 y^{\prime } x -12 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.280

19165

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-\frac {3 y^{\prime \prime }}{x}+\frac {6 y^{\prime }}{x^{2}}-\frac {6 y}{x^{3}}&=0 \end {array} \]

[[_3rd_order, _fully, _exact, _linear]]

0.328

19166

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} n \left (n +1\right ) y-2 y^{\prime } x +\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \end {array} \]

[_Gegenbauer]

109.759

19167

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\frac {2 y^{\prime }}{x}+y&=0 \end {array} \]

[_Lienard]

1.543

19168

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (x \right )^{2} y^{\prime \prime }&=2 y \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

1.985

19169

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }-3 x^{2} y^{\prime \prime }+6 y^{\prime } x -6 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.271

19170

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.110

19171

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (-x^{2}+1\right ) y^{\prime \prime \prime }-y^{\prime \prime } x +y^{\prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.398

19172

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime }-2 y^{\prime } x +2 y&=2 x^{3} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

4.287

19173

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\frac {x y^{\prime }}{1-x}-\frac {y}{1-x}&=-1+x \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

3.300

19174

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y x +\left (x^{2}+2\right ) y^{\prime }-2 y^{\prime \prime } x +\left (x^{2}+2\right ) y^{\prime \prime \prime }&=x^{4}+12 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.146

19175

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y^{\prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.076

19176

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

1.768

19177

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\frac {y}{x^{2} \ln \left (x \right )}&={\mathrm e}^{x} \left (\frac {2}{x}+\ln \left (x \right )\right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

5.429

19178

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+p_{1} y^{\prime }+p_{2} y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

1.358

19179

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2 x +1\right ) y^{\prime \prime }+\left (4 x -2\right ) y^{\prime }-8 y&=0 \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

1.120

19180

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (x \right )^{2} y^{\prime \prime }+\cos \left (x \right ) \sin \left (x \right ) y^{\prime }&=y \end {array} \]

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

2.103

19181

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-2 y^{\prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x]]

0.115

19182

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.110

19183

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+4 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.087

19184

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.083

19185

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y^{\prime \prime }+y^{\prime }-y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.290

19186

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+3 y^{\prime \prime }+2 y^{\prime }+y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.169

19187

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-4 y^{\prime }+4 y&=x^{2} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.577

19188

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-6 y^{\prime }+8 y&={\mathrm e}^{x}+{\mathrm e}^{2 x} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.774

19189

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y^{\prime \prime }+y^{\prime }+y&=x \,{\mathrm e}^{x} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.210

19190

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-4 y^{\prime }+6 y^{\prime \prime }-4 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&={\mathrm e}^{x} \left (x +1\right ) \end {array} \]

[[_high_order, _linear, _nonhomogeneous]]

0.299

19191

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y+y^{\prime \prime }&=\sin \left (2 x \right ) x \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.069

19192

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y^{\prime }+y&={\mathrm e}^{-\frac {x}{2}} \sin \left (\frac {\sqrt {3}\, x}{2}\right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.883

19193

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y&=\frac {{\mathrm e}^{x}-{\mathrm e}^{-x}}{{\mathrm e}^{x}+{\mathrm e}^{-x}} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.725

19194

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-2 y&=4 x^{2} {\mathrm e}^{x^{2}} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.622

19195

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=\sin \left (2 x \right ) \sin \left (x \right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.656

19196

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+9 y&=\ln \left (2 \sin \left (\frac {x}{2}\right )\right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.014

19197

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\frac {2 y^{\prime }}{x}-\frac {n \left (n +1\right ) y}{x^{2}}&=0 \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

1.747

19198

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime }-4 y^{\prime } x +6 y&=x \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

3.356

19199

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime }-y^{\prime } x +2 y&=x \ln \left (x \right ) \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

5.874

19200

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime }-2 y&=x^{2}+\frac {1}{x} \end {array} \]

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.254