2.16.130 Problems 12901 to 13000

Table 2.276: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

12901

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

quadrature

[_quadrature]

0.267

12902

\[ {}y^{\prime } = 4 y^{2} \]

quadrature

[_quadrature]

0.139

12903

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

quadrature

[_quadrature]

0.771

12904

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.646

12905

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

i.c.

quadrature

[_quadrature]

0.785

12906

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.857

12907

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

i.c.

riccati

[_Riccati]

1.829

12908

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

i.c.

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.127

12909

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

i.c.

quadrature

[_quadrature]

1.45

12910

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

i.c.

quadrature

[_quadrature]

1.099

12911

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

i.c.

quadrature

[_quadrature]

0.278

12912

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

i.c.

quadrature

[_quadrature]

0.711

12913

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

i.c.

quadrature

[_quadrature]

0.726

12914

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

quadrature

[_quadrature]

0.515

12915

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

quadrature

[_quadrature]

0.265

12916

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

quadrature

[_quadrature]

0.534

12917

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

quadrature

[_quadrature]

0.132

12918

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

exact, riccati, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.455

12919

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

exact, linear, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.767

12920

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

exact, linear, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.754

12921

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

quadrature

[_quadrature]

0.138

12922

\[ {}\theta ^{\prime } = \frac {9}{10}-\frac {11 \cos \left (\theta \right )}{10} \]

quadrature

[_quadrature]

0.468

12923

\[ {}\theta ^{\prime } = 2 \]

quadrature

[_quadrature]

0.107

12924

\[ {}\theta ^{\prime } = \frac {11}{10}-\frac {9 \cos \left (\theta \right )}{10} \]

quadrature

[_quadrature]

0.388

12925

\[ {}v^{\prime } = -\frac {v}{R C} \]

quadrature

[_quadrature]

0.605

12926

\[ {}v^{\prime } = \frac {K -v}{R C} \]

quadrature

[_quadrature]

0.497

12927

\[ {}v^{\prime } = 2 V \left (t \right )-2 v \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.837

12928

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

i.c.

quadrature

[_quadrature]

0.263

12929

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

i.c.

riccati

[[_Riccati, _special]]

4.531

12930

\[ {}y^{\prime } = y^{2}-4 t \]

i.c.

riccati

[[_Riccati, _special]]

6.278

12931

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

i.c.

quadrature

[_quadrature]

0.774

12932

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

i.c.

quadrature

[_quadrature]

0.837

12933

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

i.c.

quadrature

[_quadrature]

0.522

12934

\[ {}y^{\prime } = {\mathrm e}^{\frac {2}{y}} \]

i.c.

quadrature

[_quadrature]

0.847

12935

\[ {}y^{\prime } = {\mathrm e}^{\frac {2}{y}} \]

i.c.

quadrature

[_quadrature]

0.63

12936

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

i.c.

quadrature

[_quadrature]

1.622

12937

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

i.c.

abelFirstKind

[_Abel]

N/A

0.441

12938

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

i.c.

quadrature

[_quadrature]

0.447

12939

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

i.c.

quadrature

[_quadrature]

0.405

12940

\[ {}\theta ^{\prime } = \frac {9}{10}-\frac {11 \cos \left (\theta \right )}{10} \]

i.c.

quadrature

[_quadrature]

2.905

12941

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

i.c.

quadrature

[_quadrature]

2.234

12942

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

i.c.

quadrature

[_quadrature]

1.247

12943

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

i.c.

quadrature

[_quadrature]

3.785

12944

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

i.c.

quadrature

[_quadrature]

2.087

12945

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

quadrature

[_quadrature]

0.138

12946

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

i.c.

quadrature

[_quadrature]

0.253

12947

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

i.c.

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.741

12948

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

i.c.

quadrature

[_quadrature]

0.29

12949

\[ {}y^{\prime } = \frac {t}{y-2} \]

i.c.

exact, separable, differentialType, homogeneousTypeMapleC, first_order_ode_lie_symmetry_lookup

[_separable]

6.28

12950

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

i.c.

quadrature

[_quadrature]

0.872

12951

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

i.c.

quadrature

[_quadrature]

0.544

12952

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

i.c.

quadrature

[_quadrature]

0.497

12953

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

i.c.

quadrature

[_quadrature]

0.235

12954

\[ {}y^{\prime } = y^{2}-4 y-12 \]

i.c.

quadrature

[_quadrature]

0.948

12955

\[ {}y^{\prime } = y^{2}-4 y-12 \]

i.c.

quadrature

[_quadrature]

0.588

12956

\[ {}y^{\prime } = y^{2}-4 y-12 \]

i.c.

quadrature

[_quadrature]

0.245

12957

\[ {}y^{\prime } = y^{2}-4 y-12 \]

i.c.

quadrature

[_quadrature]

0.575

12958

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

i.c.

quadrature

[_quadrature]

0.8

12959

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

i.c.

quadrature

[_quadrature]

1.705

12960

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

i.c.

quadrature

[_quadrature]

0.263

12961

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

i.c.

quadrature

[_quadrature]

0.446

12962

\[ {}w^{\prime } = w \cos \left (w\right ) \]

quadrature

[_quadrature]

0.551

12963

\[ {}w^{\prime } = w \cos \left (w\right ) \]

i.c.

quadrature

[_quadrature]

0.211

12964

\[ {}w^{\prime } = w \cos \left (w\right ) \]

i.c.

quadrature

[_quadrature]

0.852

12965

\[ {}w^{\prime } = w \cos \left (w\right ) \]

i.c.

quadrature

[_quadrature]

0.832

12966

\[ {}w^{\prime } = w \cos \left (w\right ) \]

i.c.

quadrature

[_quadrature]

0.873

12967

\[ {}w^{\prime } = \left (1-w\right ) \sin \left (w\right ) \]

quadrature

[_quadrature]

0.564

12968

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

quadrature

[_quadrature]

0.368

12969

\[ {}v^{\prime } = -v^{2}-2 v-2 \]

quadrature

[_quadrature]

0.497

12970

\[ {}w^{\prime } = 3 w^{3}-12 w^{2} \]

quadrature

[_quadrature]

0.539

12971

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

quadrature

[_quadrature]

0.327

12972

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

quadrature

[_quadrature]

0.29

12973

\[ {}y^{\prime } = y \ln \left ({| y|}\right ) \]

quadrature

[_quadrature]

1.523

12974

\[ {}w^{\prime } = \left (w^{2}-2\right ) \arctan \left (w\right ) \]

quadrature

[_quadrature]

1.748

12975

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

i.c.

quadrature

[_quadrature]

0.923

12976

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

i.c.

quadrature

[_quadrature]

0.293

12977

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

i.c.

quadrature

[_quadrature]

0.586

12978

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

i.c.

quadrature

[_quadrature]

0.653

12979

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

i.c.

quadrature

[_quadrature]

0.615

12980

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

i.c.

quadrature

[_quadrature]

0.49

12981

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

quadrature

[_quadrature]

0.738

12982

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

quadrature

[_quadrature]

0.533

12983

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

quadrature

[_quadrature]

0.753

12984

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

quadrature

[_quadrature]

0.621

12985

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

quadrature

[_quadrature]

0.612

12986

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

quadrature

[_quadrature]

0.345

12987

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

quadrature

[_quadrature]

0.128

12988

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

quadrature

[_quadrature]

0.306

12989

\[ {}y^{\prime } = -4 y+9 \,{\mathrm e}^{-t} \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.707

12990

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.689

12991

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.989

12992

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.91

12993

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.639

12994

\[ {}y^{\prime } = \frac {y}{2}+4 \,{\mathrm e}^{\frac {t}{2}} \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.738

12995

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.986

12996

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.96

12997

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.137

12998

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.142

12999

\[ {}y^{\prime }-2 y = 7 \,{\mathrm e}^{2 t} \]

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.913

13000

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

0.668