2.16.35 Problems 3401 to 3500

Table 2.86: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

3401

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

exact, linear, differentialType, first_order_ode_lie_symmetry_lookup

[_linear]

0.597

3402

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.631

3403

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.914

3404

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

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

0.633

3405

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.682

3406

\[ {}x y^{\prime } = x^{n} \ln \left (x \right )-y \]

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

0.89

3407

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.685

3408

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.015

3409

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.866

3410

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.046

3411

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.842

3412

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.005

3413

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.68

3414

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.884

3415

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.05

3416

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.874

3417

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.952

3418

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.012

3419

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

riccati

[_rational, _Riccati]

0.814

3420

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

riccati, exactByInspection, homogeneousTypeD2

[[_homogeneous, ‘class D‘], _rational, _Riccati]

1.05

3421

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

riccati

[_rational, _Riccati]

6.918

3422

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

exact, riccati, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.995

3423

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

riccati, homogeneousTypeD2

[[_homogeneous, ‘class D‘], _rational, _Riccati]

1.128

3424

\[ {}x y^{\prime } = a \,x^{2 n}+\left (n +b y\right ) y \]

riccati

[_rational, _Riccati]

1.394

3425

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

riccati

[_rational, _Riccati]

1.53

3426

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

riccati

[_rational, _Riccati]

1.668

3427

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

riccati

[_rational, [_Riccati, _special]]

0.944

3428

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

riccati, bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.727

3429

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

riccati, bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.707

3430

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

riccati, bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.716

3431

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

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

[_Bernoulli]

1.191

3432

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

riccati, homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class D‘], _rational, _Riccati]

1.095

3433

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

riccati, bernoulli, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.711

3434

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

riccati

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

1.043

3435

\[ {}x y^{\prime }+\operatorname {a0} +\operatorname {a1} x +\left (\operatorname {a2} +\operatorname {a3} x y\right ) y = 0 \]

riccati

[_rational, _Riccati]

3.273

3436

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

riccati

[_rational, _Riccati]

1.247

3437

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

riccati

[_rational, _Riccati]

1.462

3438

\[ {}x y^{\prime }+\left (a +b \,x^{n} y\right ) y = 0 \]

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

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

0.899

3439

\[ {}x y^{\prime } = a \,x^{m}-b y-c \,x^{n} y^{2} \]

riccati

[_rational, _Riccati]

2.053

3440

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

riccati, first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries], _rational, _Riccati]

1.286

3441

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

riccati, bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_Bernoulli]

0.99

3442

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

riccati, exactByInspection, homogeneousTypeD2

[[_homogeneous, ‘class D‘], _Riccati]

1.607

3443

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

exact, bernoulli, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.431

3444

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

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

0.803

3445

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

bernoulli, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

0.915

3446

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

bernoulli, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

1.003

3447

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

bernoulli, first_order_ode_lie_symmetry_lookup

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

1.387

3448

\[ {}x y^{\prime } = 4 y-4 \sqrt {y} \]

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.38

3449

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

2.276

3450

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

first_order_ode_lie_symmetry_calculated

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

1.869

3451

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

first_order_ode_lie_symmetry_calculated

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

0.917

3452

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

unknown

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

N/A

1.05

3453

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

unknown

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

N/A

1.285

3454

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

first_order_ode_lie_symmetry_calculated

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

2.506

3455

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

exactWithIntegrationFactor

[‘y=_G(x,y’)‘]

1.823

3456

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.011

3457

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

0.992

3458

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.883

3459

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.818

3460

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

exactWithIntegrationFactor

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

3.558

3461

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

1.012

3462

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

2.026

3463

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

unknown

[‘y=_G(x,y’)‘]

N/A

1.537

3464

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

0.843

3465

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.08

3466

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

1.714

3467

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

1.0

3468

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

first_order_ode_lie_symmetry_calculated

[‘y=_G(x,y’)‘]

1.962

3469

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

0.691

3470

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

homogeneousTypeD2, first_order_ode_lie_symmetry_calculated

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

1.001

3471

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

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.782

3472

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

exactWithIntegrationFactor, first_order_ode_lie_symmetry_calculated

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

1.326

3473

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

exactByInspection, first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘]]

1.304

3474

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

homogeneousTypeD, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

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

1.108

3475

\[ {}x y^{\prime }+n y = f \left (x \right ) g \left (x^{n} y\right ) \]

unknown

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

N/A

1.086

3476

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

first_order_ode_lie_symmetry_calculated

[[_homogeneous, ‘class G‘]]

0.991

3477

\[ {}\left (1+x \right ) y^{\prime } = x^{3} \left (3 x +4\right )+y \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.649

3478

\[ {}\left (1+x \right ) y^{\prime } = \left (1+x \right )^{4}+2 y \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.658

3479

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.98

3480

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

riccati, bernoulli, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

0.895

3481

\[ {}\left (1+x \right ) y^{\prime }+y+\left (1+x \right )^{4} y^{3} = 0 \]

bernoulli, first_order_ode_lie_symmetry_lookup

[[_1st_order, _with_linear_symmetries], _rational, _Bernoulli]

0.829

3482

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

bernoulli, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

1.029

3483

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

first_order_ode_lie_symmetry_calculated

[[_1st_order, _with_linear_symmetries]]

1.514

3484

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

quadrature

[_quadrature]

0.276

3485

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.889

3486

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

exact, linear, first_order_ode_lie_symmetry_lookup

[_linear]

0.796

3487

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.908

3488

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

exact, linear, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.058

3489

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.96

3490

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

exact, riccati, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.45

3491

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

bernoulli, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

0.899

3492

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.668

3493

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

riccati

[_rational, _Riccati]

1.587

3494

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

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.427

3495

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

exact, bernoulli, separable, first_order_ode_lie_symmetry_lookup

[_separable]

1.734

3496

\[ {}2 x y^{\prime } = \left (1+x -6 y^{2}\right ) y \]

bernoulli, first_order_ode_lie_symmetry_lookup

[_rational, _Bernoulli]

0.672

3497

\[ {}2 x y^{\prime }+4 y+a +\sqrt {a^{2}-4 b -4 c y} = 0 \]

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

18.974

3498

\[ {}\left (1-2 x \right ) y^{\prime } = 16+32 x -6 y \]

linear, homogeneousTypeMapleC, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.954

3499

\[ {}\left (2 x +1\right ) y^{\prime } = 4 \,{\mathrm e}^{-y}-2 \]

exact, separable, first_order_ode_lie_symmetry_lookup

[_separable]

0.921

3500

\[ {}2 \left (1-x \right ) y^{\prime } = 4 x \sqrt {1-x}+y \]

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

0.608