2.20.31 Engineering Mathematics. By K. A. Stroud. 5th edition. Industrial press Inc. NY. 2001

Column notations: A is ODE degree. B is Program Number of solutions generated. C is CAS Number of solutions generated.

Table 2.440: Engineering Mathematics. By K. A. Stroud. 5th edition. Industrial press Inc. NY. 2001

#

ODE

A

B

C

Program classification

CAS classification

Solved?

Verified?

time (sec)

5075

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

1

1

1

quadrature

[_quadrature]

0.173

5076

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

1

1

1

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.693

5077

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.583

5078

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

1

1

1

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.578

5079

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

1

1

1

quadrature

[_quadrature]

0.595

5080

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

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.332

5081

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

1

1

2

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

2.816

5082

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

1

1

1

exact, linear, separable, differentialType, first_order_ode_lie_symmetry_lookup

[_separable]

1.437

5083

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.762

5084

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.692

5085

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

1

1

2

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.257

5086

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

1

1

1

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

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

0.606

5087

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

1

1

1

separable

[_separable]

0.481

5088

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

i.c.

1

1

1

separable

[_separable]

0.514

5089

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

1

3

3

separable

[_separable]

0.513

5090

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

i.c.

1

1

1

separable

[_separable]

1.862

5091

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

1

1

1

separable

[_separable]

0.279

5092

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

1

1

2

homogeneous

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

0.664

5093

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

1

1

1

homogeneous

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

0.401

5094

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

1

1

3

homogeneous

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

0.616

5095

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

1

1

1

homogeneous

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

0.642

5096

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

1

1

1

homogeneous

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

0.565

5097

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

1

1

1

linear

[_linear]

0.231

5098

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

1

1

1

linear

[_linear]

0.239

5099

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

i.c.

1

1

1

linear

[_linear]

0.531

5100

\[ {}\left (x^{2}+1\right ) y^{\prime }+3 x y = 5 x \]

i.c.

1

1

1

linear

[_separable]

0.491

5101

\[ {}y^{\prime }+y \cot \left (x \right ) = 5 \,{\mathrm e}^{\cos \left (x \right )} \]

i.c.

1

1

1

linear

[_linear]

0.717

5102

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

1

1

1

first_order_ode_lie_symmetry_calculated

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

0.756

5103

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

1

1

1

exactWithIntegrationFactor

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

8.067

5104

\[ {}x -y-1+\left (4 y+x -1\right ) y^{\prime } = 0 \]

1

1

1

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

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

1.734

5105

\[ {}3 y-7 x +7+\left (7 y-3 x +3\right ) y^{\prime } = 0 \]

1

1

1

homogeneousTypeMapleC, first_order_ode_lie_symmetry_calculated

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

2.688

5106

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

1

1

1

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.46

5107

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

1

2

2

bernoulli

[_Bernoulli]

0.39

5108

\[ {}y^{\prime }+y = y^{4} {\mathrm e}^{x} \]

1

3

3

bernoulli

[[_1st_order, _with_linear_symmetries], _Bernoulli]

3.585

5109

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

1

2

2

bernoulli

[_Bernoulli]

0.32

5110

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

1

1

1

bernoulli

[_Bernoulli]

0.323

5111

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

1

2

2

bernoulli

[_Bernoulli]

2.615

5112

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.256

5113

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

1

1

1

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.855

5114

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

1

1

1

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.461

5115

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

i.c.

1

1

1

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

[_Bernoulli]

2.363

5116

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

1

1

1

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.238

5117

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

i.c.

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.78

5118

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

1

1

3

homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

2.571

5119

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

1

1

1

exact, linear, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.118

5120

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

i.c.

1

1

1

linear, homogeneousTypeMapleC, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.792

5121

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

i.c.

1

1

1

exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

5.341

5122

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

i.c.

1

1

1

exact, separable, first order special form ID 1, first_order_ode_lie_symmetry_lookup

[_separable]

1.455

5123

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

i.c.

1

1

1

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

1.467

5124

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

1

1

1

exactByInspection, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.405

5125

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

1

1

2

exact, bernoulli, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

1.6

5126

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

i.c.

1

1

1

exact, differentialType, first_order_ode_lie_symmetry_calculated

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

2.503

5127

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.234

5128

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

i.c.

1

1

1

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

1.323

5129

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

i.c.

1

1

1

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.891

5130

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

1

1

1

exact, linear, differentialType, first_order_ode_lie_symmetry_lookup

[_linear]

1.244

5131

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

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.305

5132

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

1

1

2

exact, bernoulli, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

2.521

5133

\[ {}\frac {r \tan \left (\theta \right ) r^{\prime }}{a^{2}-r^{2}} = 1 \]

i.c.

1

1

2

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

7.163

5134

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

i.c.

1

1

1

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.926

5135

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

1

1

1

riccati, bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

1.179

5136

\[ {}y^{\prime \prime }-y^{\prime }-2 y = 8 \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _missing_x]]

0.359

5137

\[ {}y^{\prime \prime }-4 y = 10 \,{\mathrm e}^{3 x} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.385

5138

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

1

1

1

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _with_linear_symmetries]]

0.441

5139

\[ {}y^{\prime \prime }+25 y = 5 x^{2}+x \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.508

5140

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

1

1

1

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _linear, _nonhomogeneous]]

0.526

5141

\[ {}y^{\prime \prime }+4 y^{\prime }+5 y = 2 \,{\mathrm e}^{-2 x} \]

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

1.164

5142

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

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.41

5143

\[ {}y^{\prime \prime }-6 y^{\prime }+8 y = 8 \,{\mathrm e}^{4 x} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.446

5144

\[ {}2 y^{\prime \prime }-7 y^{\prime }-4 y = {\mathrm e}^{3 x} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.399

5145

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 54 x +18 \]

1

1

1

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _with_linear_symmetries]]

0.457

5146

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 100 \sin \left (4 x \right ) \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.511

5147

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

1

1

1

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _linear, _nonhomogeneous]]

1.141

5148

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

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

1.29

5149

\[ {}y^{\prime \prime }-y^{\prime }+10 y = 20-{\mathrm e}^{2 x} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.701

5150

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

1

1

1

kovacic, second_order_linear_constant_coeff, linear_second_order_ode_solved_by_an_integrating_factor

[[_2nd_order, _linear, _nonhomogeneous]]

0.655

5151

\[ {}y^{\prime \prime }-4 y^{\prime }+3 y = x +{\mathrm e}^{2 x} \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.418

5152

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

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.653

5153

\[ {}y^{\prime \prime }-9 y = {\mathrm e}^{3 x}+\sin \left (x \right ) \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

1.185

5154

\[ {}x^{\prime \prime }+4 x^{\prime }+3 x = {\mathrm e}^{-3 t} \]

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.615

5155

\[ {}y^{\prime \prime }+4 y^{\prime }+5 y = 6 \sin \left (t \right ) \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.54

5156

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

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.631

5157

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

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.637

5158

\[ {}y^{\prime \prime }+6 y^{\prime }+10 y = 50 x \]

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _with_linear_symmetries]]

0.528

5159

\[ {}x^{\prime \prime }+2 x^{\prime }+2 x = 85 \sin \left (3 t \right ) \]

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

1.38

5160

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

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.727

5161

\[ {}\frac {x^{\prime \prime }}{2} = -48 x \]

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff, second_order_ode_can_be_made_integrable

[[_2nd_order, _missing_x]]

3.251

5162

\[ {}x^{\prime \prime }+5 x^{\prime }+6 x = \cos \left (t \right ) \]

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

0.664