2.2.91 Problems 9001 to 9100

Table 2.183: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

9001

\[ {}c y^{\prime } = y \]

[_quadrature]

0.820

9002

\[ {}c y^{\prime } = b y \]

[_quadrature]

0.977

9003

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

[[_Riccati, _special]]

1.169

9004

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

[[_Riccati, _special]]

1.303

9005

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

[_rational, _Riccati]

4.315

9006

\[ {}c y^{\prime } = \frac {a x +b y^{2}}{r \,x^{2}} \]

[_rational, _Riccati]

6.841

9007

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

[_rational, _Bernoulli]

1.565

9008

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

[_quadrature]

0.701

9009

\[ {}f \left (x \right ) \sin \left (x \right ) y x y^{\prime } \pi = 0 \]

[_quadrature]

0.701

9010

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

[[_linear, ‘class A‘]]

1.466

9011

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

[_Riccati]

2.724

9012

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

[_linear]

1.604

9013

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

[_Riccati]

4.930

9014

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

[_Riccati]

1.219

9015

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

[_quadrature]

0.682

9016

\[ {}5 y^{\prime } = 0 \]

[_quadrature]

0.685

9017

\[ {}{\mathrm e} y^{\prime } = 0 \]

[_quadrature]

0.684

9018

\[ {}\pi y^{\prime } = 0 \]

[_quadrature]

0.690

9019

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

[_quadrature]

0.742

9020

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

[_quadrature]

0.720

9021

\[ {}y^{\prime } x = 1 \]

[_quadrature]

0.493

9022

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

[_quadrature]

0.546

9023

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

[_quadrature]

0.700

9024

\[ {}y y^{\prime } = 0 \]

[_quadrature]

0.721

9025

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

[_quadrature]

0.694

9026

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

[_quadrature]

0.690

9027

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

[_quadrature]

0.683

9028

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

[_quadrature]

0.750

9029

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

[_quadrature]

0.175

9030

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

[_quadrature]

0.155

9031

\[ {}{y^{\prime }}^{n} = 0 \]

[_quadrature]

0.750

9032

\[ {}x {y^{\prime }}^{n} = 0 \]

[_quadrature]

0.614

9033

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

[_quadrature]

0.231

9034

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

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

0.520

9035

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

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

1.537

9036

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

[_separable]

1.331

9037

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

[[_homogeneous, ‘class G‘]]

0.809

9038

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

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

2.277

9039

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

[[_homogeneous, ‘class G‘]]

0.724

9040

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

[[_homogeneous, ‘class G‘]]

0.729

9041

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

[_separable]

0.792

9042

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

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

1.177

9043

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

[_separable]

0.984

9044

\[ {}y^{\prime } = \sqrt {1+6 x +y} \]

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

2.374

9045

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

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

1.766

9046

\[ {}y^{\prime } = \left (1+6 x +y\right )^{{1}/{4}} \]

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

1.648

9047

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

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

178.410

9048

\[ {}y^{\prime } = \left (\pi +x +7 y\right )^{{7}/{2}} \]

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

17.942

9049

\[ {}y^{\prime } = \left (a +b x +c y\right )^{6} \]

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

6.635

9050

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

[_separable]

2.547

9051

\[ {}y^{\prime } = 10+{\mathrm e}^{x +y} \]

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

2.401

9052

\[ {}y^{\prime } = 10 \,{\mathrm e}^{x +y}+x^{2} \]

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

1.758

9053

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

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

2.292

9054

\[ {}y^{\prime } = 5 \,{\mathrm e}^{x^{2}+20 y}+\sin \left (x \right ) \]

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

2.567

9055

\[ {}\left [\begin {array}{c} x^{\prime }+y^{\prime }-x=y+t \\ x^{\prime }+y^{\prime }=2 x+3 y+{\mathrm e}^{t} \end {array}\right ] \]

system_of_ODEs

0.201

9056

\[ {}\left [\begin {array}{c} 2 x^{\prime }+y^{\prime }-x=y+t \\ x^{\prime }+y^{\prime }=2 x+3 y+{\mathrm e}^{t} \end {array}\right ] \]

system_of_ODEs

0.956

9057

\[ {}\left [\begin {array}{c} x^{\prime }+y^{\prime }-x=y+t +\sin \left (t \right )+\cos \left (t \right ) \\ x^{\prime }+y^{\prime }=2 x+3 y+{\mathrm e}^{t} \end {array}\right ] \]

system_of_ODEs

0.310

9058

\[ {}t y^{\prime }+y = t \]
i.c.

[_linear]

0.297

9059

\[ {}y^{\prime }-t y = 0 \]
i.c.

[_separable]

0.677

9060

\[ {}t y^{\prime }+y = 0 \]
i.c.

[_separable]

0.386

9061

\[ {}t y^{\prime }+y = 0 \]
i.c.

[_separable]

0.349

9062

\[ {}t y^{\prime }+y = 0 \]
i.c.

[_separable]

0.427

9063

\[ {}t y^{\prime }+y = 0 \]

[_separable]

0.334

9064

\[ {}t y^{\prime }+y = 0 \]
i.c.

[_separable]

0.513

9065

\[ {}t y^{\prime }+y = \sin \left (t \right ) \]
i.c.

[_linear]

0.628

9066

\[ {}t y^{\prime }+y = t \]
i.c.

[_linear]

0.619

9067

\[ {}t y^{\prime }+y = t \]
i.c.

[_linear]

0.621

9068

\[ {}y^{\prime }+t^{2} y = 0 \]
i.c.

[_separable]

0.444

9069

\[ {}\left (a t +1\right ) y^{\prime }+y = t \]
i.c.

[_linear]

0.389

9070

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

[_separable]

0.304

9071

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

[_separable]

0.341

9072

\[ {}y^{\prime \prime } = 0 \]

[[_2nd_order, _quadrature]]

2.132

9073

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

[[_2nd_order, _quadrature]]

0.414

9074

\[ {}{y^{\prime \prime }}^{n} = 0 \]

[[_2nd_order, _quadrature]]

0.229

9075

\[ {}a y^{\prime \prime } = 0 \]

[[_2nd_order, _quadrature]]

2.301

9076

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

[[_2nd_order, _quadrature]]

0.494

9077

\[ {}a {y^{\prime \prime }}^{n} = 0 \]

[[_2nd_order, _quadrature]]

0.232

9078

\[ {}y^{\prime \prime } = 1 \]

[[_2nd_order, _quadrature]]

2.540

9079

\[ {}{y^{\prime \prime }}^{2} = 1 \]

[[_2nd_order, _quadrature]]

4.664

9080

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

[[_2nd_order, _quadrature]]

1.972

9081

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

[[_2nd_order, _quadrature]]

0.349

9082

\[ {}{y^{\prime \prime }}^{3} = 0 \]

[[_2nd_order, _quadrature]]

0.523

9083

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

[[_2nd_order, _missing_x]]

1.982

9084

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

[[_2nd_order, _missing_x]]

3.114

9085

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

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

0.338

9086

\[ {}y^{\prime \prime }+y^{\prime } = 1 \]

[[_2nd_order, _missing_x]]

2.175

9087

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

[[_2nd_order, _missing_x]]

280.872

9088

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

6.989

9089

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

[[_2nd_order, _missing_y]]

2.191

9090

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

[[_2nd_order, _missing_y]]

0.662

9091

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_xy]]

0.569

9092

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

[[_2nd_order, _missing_x]]

2.435

9093

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

[[_2nd_order, _missing_x]]

0.065

9094

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

[[_2nd_order, _missing_x]]

0.923

9095

\[ {}y^{\prime \prime }+y^{\prime }+y = 1 \]

[[_2nd_order, _missing_x]]

22.916

9096

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

[[_2nd_order, _with_linear_symmetries]]

33.287

9097

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

[[_2nd_order, _with_linear_symmetries]]

24.772

9098

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

[[_2nd_order, _with_linear_symmetries]]

35.566

9099

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

[[_2nd_order, _linear, _nonhomogeneous]]

26.189

9100

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

[[_2nd_order, _linear, _nonhomogeneous]]

47.221