2.9 Table of statistics per ODE type

Table 2.15: Summary of results

type of ODE

# problems

Solved
solved and verified
not solved






#

%

#

%

#

%

quadrature

871

870

99.89%

866

99.43%

1

0.11%

linear

4812

4723

98.15%

4722

98.13%

89

1.85%

separable

1172

1172

100.00%

1169

99.74%

0

0.00%

homogeneous

1193

1192

99.92%

1192

99.92%

1

0.08%

homogeneousTypeC

26

26

100.00%

26

100.00%

0

0.00%

homogeneousTypeMapleC

175

175

100.00%

175

100.00%

0

0.00%

homogeneousTypeD

938

938

100.00%

938

100.00%

0

0.00%

homogeneousTypeD2

938

938

100.00%

938

100.00%

0

0.00%

exact

3443

3435

99.77%

3428

99.56%

8

0.23%

exactWithIntegrationFactor

1335

1333

99.85%

1329

99.55%

2

0.15%

exactByInspection

105

105

100.00%

105

100.00%

0

0.00%

bernoulli

498

498

100.00%

497

99.80%

0

0.00%

riccati

917

894

97.49%

882

96.18%

23

2.51%

clairaut

115

115

100.00%

115

100.00%

0

0.00%

dAlembert

256

256

100.00%

255

99.61%

0

0.00%

isobaric

13

13

100.00%

13

100.00%

0

0.00%

first order special form ID 1

39

39

100.00%

39

100.00%

0

0.00%

polynomial

16

16

100.00%

16

100.00%

0

0.00%

abelFirstKind

99

57

57.58%

55

55.56%

42

42.42%

differentialType

254

253

99.61%

253

99.61%

1

0.39%

first order ode series method. Taylor series method

83

83

100.00%

83

100.00%

0

0.00%

first order ode series method. Ordinary point

71

71

100.00%

71

100.00%

0

0.00%

first order ode series method. Regular singular point

8

8

100.00%

8

100.00%

0

0.00%

first order ode series method. Irregular singular point

3

0

0.00%

0

0.00%

3

100.00%

first_order_laplace

77

77

100.00%

77

100.00%

0

0.00%

first_order_ode_lie_symmetry_lookup

2268

2265

99.87%

2260

99.65%

3

0.13%

first_order_ode_lie_symmetry_calculated

1312

1312

100.00%

1311

99.92%

0

0.00%

first_order_nonlinear_p_but_separable

34

34

100.00%

34

100.00%

0

0.00%

first_order_nonlinear_p_but_linear_in_x_y

4

4

100.00%

4

100.00%

0

0.00%

second_order_laplace

331

331

100.00%

328

99.09%

0

0.00%

reduction_of_order

160

159

99.38%

159

99.38%

1

0.62%

second_order_ode_quadrature

43

42

97.67%

42

97.67%

1

2.33%

second_order_linear_constant_coeff

1711

1696

99.12%

1696

99.12%

15

0.88%

second_order_airy

23

23

100.00%

23

100.00%

0

0.00%

second_order_euler_ode

392

390

99.49%

390

99.49%

2

0.51%

exact linear second order ode

338

336

99.41%

336

99.41%

2

0.59%

exact nonlinear second order ode

50

49

98.00%

49

98.00%

1

2.00%

second_order_change_of_variable_on_x_method_1

386

381

98.70%

380

98.45%

5

1.30%

second_order_change_of_variable_on_x_method_2

466

461

98.93%

460

98.71%

5

1.07%

second_order_change_of_variable_on_y_method_1

156

151

96.79%

151

96.79%

5

3.21%

second_order_change_of_variable_on_y_method_2

444

438

98.65%

438

98.65%

6

1.35%

second_order_integrable_as_is

405

400

98.77%

400

98.77%

5

1.23%

second_order_ode_can_be_made_integrable

188

185

98.40%

185

98.40%

3

1.60%

linear_second_order_ode_solved_by_an_integrating_factor

337

331

98.22%

331

98.22%

6

1.78%

second_order_ode_lagrange_adjoint_equation_method

28

27

96.43%

27

96.43%

1

3.57%

second_order_ode_non_constant_coeff_transformation_on_B

189

188

99.47%

188

99.47%

1

0.53%

second_order_nonlinear_solved_by_mainardi_lioville_method

26

26

100.00%

26

100.00%

0

0.00%

second_order_bessel_ode

284

278

97.89%

278

97.89%

6

2.11%

second_order_bessel_ode_form_A

10

10

100.00%

10

100.00%

0

0.00%

second_order_ode_missing_x

297

273

91.92%

267

89.90%

24

8.08%

second_order_ode_missing_y

356

353

99.16%

351

98.60%

3

0.84%

second order series method. Taylor series method

582

582

100.00%

582

100.00%

0

0.00%

second order series method. Ordinary point

574

574

100.00%

574

100.00%

0

0.00%

second order series method. Regular singular point. Difference not integer

266

260

97.74%

260

97.74%

6

2.26%

second order series method. Regular singular point. Repeated root

208

207

99.52%

207

99.52%

1

0.48%

second order series method. Regular singular point. Difference is integer

322

321

99.69%

321

99.69%

1

0.31%

second order series method. Irregular singular point

38

0

0.00%

0

0.00%

38

100.00%

second order series method. Regular singular point. Complex roots

30

30

100.00%

30

100.00%

0

0.00%

second_order_ode_high_degree

7

7

100.00%

7

100.00%

0

0.00%

higher_order_linear_constant_coefficients_ODE

728

728

100.00%

728

100.00%

0

0.00%

higher_order_ODE_non_constant_coefficients_of_type_Euler

96

96

100.00%

95

98.96%

0

0.00%

higher_order_laplace

29

29

100.00%

28

96.55%

0

0.00%

higher_order_missing_y

35

35

100.00%

35

100.00%

0

0.00%

unknown

1303

0

0.00%

0

0.00%

1303

100.00%