2.2.78 Problems 7701 to 7800

Table 2.169: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

7701

\begin{align*} \left (x y^{2}+x^{3}\right ) y^{\prime }&=2 y^{3} \\ \end{align*}

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

8.190

7702

\begin{align*} \left (x^{2}-1\right ) y^{\prime }+2 y x&=x \\ \end{align*}

[_separable]

2.668

7703

\begin{align*} y^{\prime }+y \tanh \left (x \right )&=2 \sinh \left (x \right ) \\ \end{align*}

[_linear]

1.900

7704

\begin{align*} y^{\prime } x -2 y&=\cos \left (x \right ) x^{3} \\ \end{align*}

[_linear]

2.677

7705

\begin{align*} y^{\prime }+\frac {y}{x}&=y^{3} \\ \end{align*}

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

6.661

7706

\begin{align*} y^{\prime } x +3 y&=y^{2} x^{2} \\ \end{align*}

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

4.927

7707

\begin{align*} x \left (y-3\right ) y^{\prime }&=4 y \\ \end{align*}

[_separable]

6.270

7708

\begin{align*} \left (x^{3}+1\right ) y^{\prime }&=x^{2} y \\ y \left (1\right ) &= 2 \\ \end{align*}

[_separable]

2.680

7709

\begin{align*} x^{3}+\left (1+y\right )^{2} y^{\prime }&=0 \\ \end{align*}

[_separable]

2.628

7710

\begin{align*} \cos \left (y\right )+\left (1+{\mathrm e}^{-x}\right ) \sin \left (y\right ) y^{\prime }&=0 \\ y \left (0\right ) &= \frac {\pi }{4} \\ \end{align*}

[_separable]

3.520

7711

\begin{align*} x^{2} \left (1+y\right )+y^{2} \left (x -1\right ) y^{\prime }&=0 \\ \end{align*}

[_separable]

2.164

7712

\begin{align*} \left (-x +2 y\right ) y^{\prime }&=2 x +y \\ \end{align*}

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

5.799

7713

\begin{align*} y x +y^{2}+\left (x^{2}-y x \right ) y^{\prime }&=0 \\ \end{align*}

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

21.784

7714

\begin{align*} x^{3}+y^{3}&=3 y^{2} y^{\prime } x \\ \end{align*}

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

8.801

7715

\begin{align*} y-3 x +\left (3 x +4 y\right ) y^{\prime }&=0 \\ \end{align*}

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

8.490

7716

\begin{align*} \left (x^{3}+3 x y^{2}\right ) y^{\prime }&=y^{3}+3 x^{2} y \\ \end{align*}

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

13.165

7717

\begin{align*} -y+y^{\prime } x&=x^{3}+3 x^{2}-2 x \\ \end{align*}

[_linear]

0.099

7718

\begin{align*} y^{\prime }+\tan \left (x \right ) y&=\sin \left (x \right ) \\ \end{align*}

[_linear]

0.142

7719

\begin{align*} -y+y^{\prime } x&=\cos \left (x \right ) x^{3} \\ y \left (\pi \right ) &= 0 \\ \end{align*}

[_linear]

0.181

7720

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+3 y x&=5 x \\ y \left (1\right ) &= 2 \\ \end{align*}

[_separable]

0.217

7721

\begin{align*} y^{\prime }+\cot \left (x \right ) y&=5 \,{\mathrm e}^{\cos \left (x \right )} \\ y \left (\frac {\pi }{2}\right ) &= -4 \\ \end{align*}

[_linear]

0.341

7722

\begin{align*} \left (3 x +3 y-4\right ) y^{\prime }&=-x -y \\ \end{align*}

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

6.665

7723

\begin{align*} x -x y^{2}&=\left (x +x^{2} y\right ) y^{\prime } \\ \end{align*}

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

10.161

7724

\begin{align*} x -y-1+\left (4 y+x -1\right ) y^{\prime }&=0 \\ \end{align*}

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

18.804

7725

\begin{align*} 3 y-7 x +7+\left (7 y-3 x +3\right ) y^{\prime }&=0 \\ \end{align*}

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

77.280

7726

\begin{align*} \left (y x +1\right ) y+x \left (1+y x +y^{2} x^{2}\right ) y^{\prime }&=0 \\ \end{align*}

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

3.535

7727

\begin{align*} y^{\prime }+y&=x y^{3} \\ \end{align*}

[_Bernoulli]

0.484

7728

\begin{align*} y^{\prime }+y&=y^{4} {\mathrm e}^{x} \\ \end{align*}

[[_1st_order, _with_linear_symmetries], _Bernoulli]

0.180

7729

\begin{align*} 2 y^{\prime }+y&=y^{3} \left (x -1\right ) \\ \end{align*}

[_Bernoulli]

0.210

7730

\begin{align*} y^{\prime }-2 \tan \left (x \right ) y&=y^{2} \tan \left (x \right )^{2} \\ \end{align*}

[_Bernoulli]

0.241

7731

\begin{align*} y^{\prime }+\tan \left (x \right ) y&=y^{3} \sec \left (x \right )^{4} \\ \end{align*}

[_Bernoulli]

2.077

7732

\begin{align*} \left (-x^{2}+1\right ) y^{\prime }&=y x +1 \\ \end{align*}

[_linear]

1.552

7733

\begin{align*} x y^{\prime } y-\left (x +1\right ) \sqrt {y-1}&=0 \\ \end{align*}

[_separable]

2.918

7734

\begin{align*} y^{\prime }-\cot \left (x \right ) y&=y^{2} \sec \left (x \right )^{2} \\ y \left (\frac {\pi }{4}\right ) &= -1 \\ \end{align*}

[_Bernoulli]

3.424

7735

\begin{align*} y+\left (x^{2}-4 x \right ) y^{\prime }&=0 \\ \end{align*}

[_separable]

2.301

7736

\begin{align*} y^{\prime }-\tan \left (x \right ) y&=\cos \left (x \right )-2 x \sin \left (x \right ) \\ y \left (\frac {\pi }{6}\right ) &= 0 \\ \end{align*}

[_linear]

3.796

7737

\begin{align*} y^{\prime }&=\frac {y^{2}+2 y x}{x^{2}+2 y x} \\ \end{align*}

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

7.879

7738

\begin{align*} \left (x^{2}+1\right ) y^{\prime }&=x \left (1+y\right ) \\ \end{align*}

[_separable]

2.125

7739

\begin{align*} y^{\prime } x +2 y&=3 x -1 \\ y \left (2\right ) &= 1 \\ \end{align*}

[_linear]

3.410

7740

\begin{align*} x^{2} y^{\prime }&=y^{2}-x y^{\prime } y \\ y \left (1\right ) &= 1 \\ \end{align*}

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

12.940

7741

\begin{align*} y^{\prime }&={\mathrm e}^{3 x -2 y} \\ y \left (0\right ) &= 0 \\ \end{align*}

[_separable]

3.309

7742

\begin{align*} y^{\prime }+\frac {y}{x}&=\sin \left (2 x \right ) \\ y \left (\frac {\pi }{4}\right ) &= 2 \\ \end{align*}

[_linear]

2.013

7743

\begin{align*} x^{2} y^{\prime }+y^{2}&=x y^{\prime } y \\ \end{align*}

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

12.060

7744

\begin{align*} 2 x y^{\prime } y&=x^{2}-y^{2} \\ \end{align*}

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

6.789

7745

\begin{align*} y^{\prime }&=\frac {x -2 y+1}{2 x -4 y} \\ y \left (1\right ) &= 1 \\ \end{align*}

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

2.651

7746

\begin{align*} \left (-x^{3}+1\right ) y^{\prime }+x^{2} y&=x^{2} \left (-x^{3}+1\right ) \\ \end{align*}

[_linear]

3.631

7747

\begin{align*} y^{\prime }+\frac {y}{x}&=\sin \left (x \right ) \\ y \left (\frac {\pi }{2}\right ) &= 0 \\ \end{align*}

[_linear]

2.841

7748

\begin{align*} y^{\prime }+x +x y^{2}&=0 \\ y \left (1\right ) &= 0 \\ \end{align*}

[_separable]

4.434

7749

\begin{align*} y^{\prime }+\left (\frac {1}{x}-\frac {2 x}{-x^{2}+1}\right ) y&=\frac {1}{-x^{2}+1} \\ \end{align*}

[_linear]

1.722

7750

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+y x&=\left (x^{2}+1\right )^{{3}/{2}} \\ \end{align*}

[_linear]

2.469

7751

\begin{align*} x \left (1+y^{2}\right )-\left (x^{2}+1\right ) y y^{\prime }&=0 \\ \end{align*}

[_separable]

5.646

7752

\begin{align*} \frac {r \tan \left (\theta \right ) r^{\prime }}{a^{2}-r^{2}}&=1 \\ r \left (\frac {\pi }{4}\right ) &= 0 \\ \end{align*}

[_separable]

4.586

7753

\begin{align*} y^{\prime }+\cot \left (x \right ) y&=\cos \left (x \right ) \\ y \left (0\right ) &= 0 \\ \end{align*}

[_linear]

2.467

7754

\begin{align*} y^{\prime }+\frac {y}{x}&=x y^{2} \\ \end{align*}

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

2.563

7755

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&=8 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.273

7756

\begin{align*} y^{\prime \prime }-4 y&=10 \,{\mathrm e}^{3 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.331

7757

\begin{align*} y+2 y^{\prime }+y^{\prime \prime }&={\mathrm e}^{-2 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.387

7758

\begin{align*} y^{\prime \prime }+25 y&=5 x^{2}+x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.364

7759

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=4 \sin \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.439

7760

\begin{align*} 5 y+4 y^{\prime }+y^{\prime \prime }&=2 \,{\mathrm e}^{-2 x} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.500

7761

\begin{align*} 3 y^{\prime \prime }-2 y^{\prime }-y&=2 x -3 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.309

7762

\begin{align*} y^{\prime \prime }-6 y^{\prime }+8 y&=8 \,{\mathrm e}^{4 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.399

7763

\begin{align*} 2 y^{\prime \prime }-7 y^{\prime }-4 y&={\mathrm e}^{3 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.313

7764

\begin{align*} y^{\prime \prime }-6 y^{\prime }+9 y&=54 x +18 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.388

7765

\begin{align*} 6 y-5 y^{\prime }+y^{\prime \prime }&=100 \sin \left (4 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.359

7766

\begin{align*} y+2 y^{\prime }+y^{\prime \prime }&=4 \sinh \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.526

7767

\begin{align*} y^{\prime \prime }+y^{\prime }-2 y&=2 \cosh \left (2 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.497

7768

\begin{align*} y^{\prime \prime }-y^{\prime }+10 y&=20-{\mathrm e}^{2 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.477

7769

\begin{align*} y^{\prime \prime }+4 y^{\prime }+4 y&=2 \cos \left (x \right )^{2} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.559

7770

\begin{align*} y^{\prime \prime }-4 y^{\prime }+3 y&=x +{\mathrm e}^{2 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.330

7771

\begin{align*} y^{\prime \prime }-2 y^{\prime }+3 y&=x^{2}-1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.457

7772

\begin{align*} y^{\prime \prime }-9 y&={\mathrm e}^{3 x}+\sin \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.710

7773

\begin{align*} x^{\prime \prime }+4 x^{\prime }+3 x&={\mathrm e}^{-3 t} \\ x \left (0\right ) &= {\frac {1}{2}} \\ x^{\prime }\left (0\right ) &= -2 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.517

7774

\begin{align*} y^{\prime \prime }+4 y^{\prime }+5 y&=6 \sin \left (t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.377

7775

\begin{align*} x^{\prime \prime }-3 x^{\prime }+2 x&=\sin \left (t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.478

7776

\begin{align*} y^{\prime \prime }+3 y^{\prime }+2 y&=3 \sin \left (x \right ) \\ y \left (0\right ) &= -{\frac {9}{10}} \\ y^{\prime }\left (0\right ) &= -{\frac {7}{10}} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.483

7777

\begin{align*} y^{\prime \prime }+6 y^{\prime }+10 y&=50 x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.361

7778

\begin{align*} x^{\prime \prime }+2 x^{\prime }+2 x&=85 \sin \left (3 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= -20 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.609

7779

\begin{align*} y^{\prime \prime }&=3 \sin \left (x \right )-4 y \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (\frac {\pi }{2}\right ) &= 1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.490

7780

\begin{align*} \frac {x^{\prime \prime }}{2}&=-48 x \\ x \left (0\right ) &= {\frac {1}{6}} \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.414

7781

\begin{align*} x^{\prime \prime }+5 x^{\prime }+6 x&=\cos \left (t \right ) \\ x \left (0\right ) &= {\frac {1}{10}} \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.488

7782

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&=4 x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.305

7783

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{3 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.293

7784

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&=\sin \left (2 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.348

7785

\begin{align*} y^{\prime \prime }-6 y^{\prime }+25 y&=2 \sin \left (\frac {t}{2}\right )-\cos \left (\frac {t}{2}\right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.449

7786

\begin{align*} y^{\prime \prime }-6 y^{\prime }+25 y&=64 \,{\mathrm e}^{-t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.362

7787

\begin{align*} y^{\prime \prime }-6 y^{\prime }+25 y&=50 t^{3}-36 t^{2}-63 t +18 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.381

7788

\begin{align*} y^{\prime \prime \prime }-6 y^{\prime \prime }+11 y^{\prime }-6 y&=2 x \,{\mathrm e}^{-x} \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.143

7789

\begin{align*} y^{\prime \prime }&=9 x^{2}+2 x -1 \\ \end{align*}

[[_2nd_order, _quadrature]]

0.964

7790

\begin{align*} y^{\prime \prime }-5 y&=2 \,{\mathrm e}^{5 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.363

7791

\begin{align*} y^{\prime }-5 y&=\sin \left (x \right ) \left (x -1\right )+\left (x +1\right ) \cos \left (x \right ) \\ \end{align*}

[[_linear, ‘class A‘]]

2.381

7792

\begin{align*} y^{\prime }-5 y&=3 \,{\mathrm e}^{x}-2 x +1 \\ \end{align*}

[[_linear, ‘class A‘]]

2.410

7793

\begin{align*} y^{\prime }-5 y&={\mathrm e}^{x} x^{2}-x \,{\mathrm e}^{5 x} \\ \end{align*}

[[_linear, ‘class A‘]]

2.097

7794

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=x^{2}-1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.381

7795

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=4 \,{\mathrm e}^{2 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.383

7796

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=4 \cos \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.435

7797

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=3 \,{\mathrm e}^{x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.386

7798

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=x \,{\mathrm e}^{x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.390

7799

\begin{align*} y^{\prime }-y&={\mathrm e}^{x} \\ \end{align*}

[[_linear, ‘class A‘]]

1.060

7800

\begin{align*} y^{\prime }-y&=x \,{\mathrm e}^{2 x}+1 \\ \end{align*}

[[_linear, ‘class A‘]]

1.696