2.2.47 Problems 4601 to 4700

Table 2.95: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

4601

x2y+(12x+x2)y+xy=0

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

0.685

4602

x2y+(x2+x)y(x+1)y=0

[[_2nd_order, _with_linear_symmetries]]

0.846

4603

x2y+2yx(x2+2)y=0

[[_2nd_order, _with_linear_symmetries]]

0.645

4604

xy2yxy=0

[[_2nd_order, _with_linear_symmetries]]

1.383

4605

xy+2yxy=0

[[_2nd_order, _with_linear_symmetries]]

0.699

4606

x2yx2y+2(x1)y=0

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.382

4607

xy+yxy=0

[[_2nd_order, _with_linear_symmetries]]

0.518

4608

y=af(x)

[_quadrature]

0.286

4609

y=x+sin(x)+y

[[_linear, ‘class A‘]]

1.591

4610

y=x2+3cosh(x)+2y

[[_linear, ‘class A‘]]

1.811

4611

y=a+bx+cy

[[_linear, ‘class A‘]]

0.914

4612

y=acos(bx+c)+ky

[[_linear, ‘class A‘]]

1.745

4613

y=asin(bx+c)+ky

[[_linear, ‘class A‘]]

1.747

4614

y=a+bekx+cy

[[_linear, ‘class A‘]]

1.423

4615

y=x(x2y)

[_linear]

1.296

4616

y=x(ex2+ay)

[_linear]

1.413

4617

y=x2(ax3+by)

[_linear]

2.132

4618

y=axny

[_separable]

1.524

4619

y=sin(x)cos(x)+cos(x)y

[_linear]

1.958

4620

y=esin(x)+cos(x)y

[_linear]

1.802

4621

y=cot(x)y

[_separable]

1.431

4622

y=1cot(x)y

[_linear]

1.299

4623

y=xcsc(x)cot(x)y

[_linear]

1.785

4624

y=(2csc(2x)+cot(x))y

[_separable]

3.324

4625

y=sec(x)cot(x)y

[_linear]

1.825

4626

y=exsin(x)+cot(x)y

[_linear]

2.255

4627

y+csc(x)+2cot(x)y=0

[_linear]

1.679

4628

y=4csc(x)xsec(x)22ycot(2x)

[_linear]

14.796

4629

y=2cot(x)2cos(2x)2ycsc(2x)

[_linear]

3.358

4630

y=4csc(x)x(sin(x)3+y)

[_linear]

4.332

4631

y=4csc(x)x(1tan(x)2+y)

[_linear]

3.933

4632

y=ysec(x)

[_separable]

1.563

4633

y+tan(x)=(1y)sec(x)

[_linear]

2.132

4634

y=ytan(x)

[_separable]

1.291

4635

y=cos(x)+ytan(x)

[_linear]

1.862

4636

y=cos(x)ytan(x)

[_linear]

1.730

4637

y=sec(x)ytan(x)

[_linear]

1.614

4638

y=sin(2x)+ytan(x)

[_linear]

1.959

4639

y=sin(2x)ytan(x)

[_linear]

1.945

4640

y=sin(x)+2ytan(x)

[_linear]

1.885

4641

y=2+2sec(2x)+2ytan(2x)

[_linear]

4.991

4642

y=csc(x)+3ytan(x)

[_linear]

1.794

4643

y=(a+cos(ln(x))+sin(ln(x)))y

[_separable]

2.200

4644

y=6e2xytanh(x)

[_linear]

2.112

4645

y=f(x)f(x)+f(x)y

[_linear]

0.692

4646

y=f(x)+g(x)y

[_linear]

1.129

4647

y=x2y2

[_Riccati]

1.439

4648

y+f(x)2=f(x)+y2

[_Riccati]

1.278

4649

y+1x=y(x+y)

[_Riccati]

1.572

4650

y=(x+y)2

[[_homogeneous, ‘class C‘], _Riccati]

1.514

4651

y=(xy)2

[[_homogeneous, ‘class C‘], _Riccati]

1.794

4652

y=33x+3y+(xy)2

[[_homogeneous, ‘class C‘], _Riccati]

3.449

4653

y=2x(x2+1)y+y2

[_Riccati]

2.139

4654

y=x(x3+2)(2x2y)y

[[_1st_order, _with_linear_symmetries], _Riccati]

1.018

4655

y=1+x(x3+2)+(2x2y)y

[[_1st_order, _with_linear_symmetries], _Riccati]

1.778

4656

y=cos(x)(sin(x)y)y

[_Riccati]

3.110

4657

y=cos(2x)+(sin(2x)+y)y

[_Riccati]

6.118

4658

y=f(x)+xf(x)y+y2

[_Riccati]

2.307

4659

y=(3+x4y)2

[[_homogeneous, ‘class C‘], _Riccati]

9.381

4660

y=(1+4x+9y)2

[[_homogeneous, ‘class C‘], _Riccati]

87.657

4661

y=3a+3bx+3by2

[_Riccati]

1.631

4662

y=a+by2

[_quadrature]

5.247

4663

y=ax+by2

[[_Riccati, _special]]

1.418

4664

y=a+bx+cy2

[_Riccati]

1.499

4665

y=axn1+bx2n+cy2

[_Riccati]

37.373

4666

y=ax2+by2

[[_Riccati, _special]]

1.721

4667

y=a0+a1y+a2y2

[_quadrature]

7.031

4668

y=f(x)+ay+by2

[_Riccati]

1.587

4669

y=1+a(xy)y

[_Riccati]

2.025

4670

y=f(x)+g(x)y+ay2

[_Riccati]

1.982

4671

y=xy(3+y)

[_separable]

2.010

4672

y=1xx3+(2x2+1)yxy2

[_Riccati]

2.467

4673

y=x(2+x2yy2)

[_Riccati]

1.844

4674

y=x+(2x+1)y(1x)y2

[_Riccati]

2.440

4675

y=axy2

[_separable]

1.693

4676

y=xn(a+by2)

[_separable]

3.818

4677

y=axm+bxny2

[_Riccati]

2.372

4678

y=(a+bycos(kx))y

[_Bernoulli]

2.317

4679

y=sin(x)(2sec(x)2y)

[_linear]

2.676

4680

y+4csc(x)=(3cot(x))y+sin(x)y2

[_Riccati]

6.227

4681

y=ysec(x)+(sin(x)1)2

[_linear]

3.166

4682

y+tan(x)(1y2)=0

[_separable]

3.267

4683

y=f(x)+g(x)y+h(x)y2

[_Riccati]

2.679

4684

y=(a+by+cy2)f(x)

[_separable]

4.412

4685

y+(ax+y)y2=0

[_Abel]

1.114

4686

y=(aex+y)y2

[_Abel]

1.693

4687

y+3a(2x+y)y2=0

[_Abel]

1.229

4688

y=y(a+by2)

[_quadrature]

6.310

4689

y=a0+a1y+a2y2+a3y3

[_quadrature]

140.813

4690

y=xy3

[_separable]

3.269

4691

y+y(1xy2)=0

[_Bernoulli]

2.714

4692

y=(a+bxy)y2

[[_homogeneous, ‘class G‘], _Abel]

2.449

4693

y+2xy(1+axy2)=0

[_Bernoulli]

1.494

4694

y+(tan(x)+y2sec(x))y=0

[_Bernoulli]

3.001

4695

y+y3sec(x)tan(x)=0

[_separable]

3.522

4696

y=f0(x)+f1(x)y+f2(x)y2+f3(x)y3

[_Abel]

5.667

4697

y=axn1n+byn

[[_homogeneous, ‘class G‘], _Chini]

3.352

4698

y=f(x)y+g(x)yk

[_Bernoulli]

1.835

4699

y=f(x)+g(x)y+h(x)yn

[_Chini]

2.902

4700

y=|y|

[_quadrature]

3.169