2.2.68 Problems 6701 to 6800

Table 2.149: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

6701

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

[[_3rd_order, _missing_y]]

0.210

6702

\begin{align*} 2 y-2 y^{\prime } x +3 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.104

6703

\begin{align*} -8 y+7 y^{\prime } x -3 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.100

6704

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

[[_3rd_order, _missing_y]]

0.155

6705

\begin{align*} 8 y-8 y^{\prime } x +4 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.103

6706

\begin{align*} -2 \left (x^{2}+4\right ) y+x \left (x^{2}+8\right ) y^{\prime }-4 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.038

6707

\begin{align*} -\left (-a \,x^{3}+12\right ) y+6 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.246

6708

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

[[_3rd_order, _linear, _nonhomogeneous]]

1.118

6709

\begin{align*} 6 y+18 y^{\prime } x +9 x^{2} y^{\prime \prime }+\left (x^{3}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _fully, _exact, _linear]]

0.160

6710

\begin{align*} -12 y+3 \left (2 x^{2}+1\right ) y^{\prime \prime }+x \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.033

6711

\begin{align*} -4 y-14 y^{\prime } x +\left (-8 x^{2}+3\right ) y^{\prime \prime }+x \left (-x^{2}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _fully, _exact, _linear]]

0.212

6712

\begin{align*} \left (-x^{3}+3 x^{2}-6 x +6\right ) y^{\prime \prime }+x \left (x^{2}-2 x +2\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_y]]

0.268

6713

\begin{align*} -8 y+3 \left (x +1\right ) y^{\prime }+\left (x +1\right )^{2} y^{\prime \prime }+\left (x +1\right )^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.035

6714

\begin{align*} -6 y+6 \left (x +1\right ) y^{\prime }-3 x \left (2+x \right ) y^{\prime \prime }+x^{2} \left (3+y\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[NONE]

0.034

6715

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

[[_3rd_order, _with_linear_symmetries]]

0.097

6716

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

[[_3rd_order, _with_linear_symmetries]]

0.030

6717

\begin{align*} 2 y x +2 x^{3} y^{\prime \prime }+x^{4} y^{\prime \prime \prime }&=10 x^{2}+10 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.588

6718

\begin{align*} y x -x^{2} y^{\prime }+2 x^{3} y^{\prime \prime }+x^{4} y^{\prime \prime \prime }&=1 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.233

6719

\begin{align*} 10 x^{2} y^{\prime }+8 x^{3} y^{\prime \prime }+x^{2} \left (x^{2}+1\right ) y^{\prime \prime \prime }&=-1+3 x^{2}+2 \ln \left (x \right ) x^{2} \\ \end{align*}

[[_3rd_order, _missing_y]]

0.543

6720

\begin{align*} -4 \left (1+3 x \right ) y+2 x \left (2+5 x \right ) y^{\prime }-2 x^{2} \left (2 x +1\right ) y^{\prime \prime }+x^{3} \left (x +1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.042

6721

\begin{align*} 4 x^{2} y^{\prime }-4 x^{3} y^{\prime \prime }+4 x^{4} y^{\prime \prime \prime }&=1 \\ \end{align*}

[[_3rd_order, _missing_y]]

0.264

6722

\begin{align*} -4 \left (3 x^{2}+1\right ) y+2 x \left (5 x^{2}+2\right ) y^{\prime }-2 x^{2} \left (2 x^{2}+1\right ) y^{\prime \prime }+x^{3} \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.042

6723

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

[[_3rd_order, _with_linear_symmetries]]

0.038

6724

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

[[_3rd_order, _fully, _exact, _linear]]

0.267

6725

\begin{align*} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _quadrature]]

0.029

6726

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

[[_high_order, _quadrature]]

0.108

6727

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

[[_high_order, _quadrature]]

0.099

6728

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

[[_high_order, _linear, _nonhomogeneous]]

0.398

6729

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

[[_high_order, _linear, _nonhomogeneous]]

0.099

6730

\begin{align*} a y+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.053

6731

\begin{align*} y^{\prime \prime \prime \prime }&=x^{3}+a^{4} y \\ \end{align*}

[[_high_order, _linear, _nonhomogeneous]]

0.104

6732

\begin{align*} y+y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.053

6733

\begin{align*} y+2 y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.051

6734

\begin{align*} y^{\prime \prime \prime \prime }-2 y^{\prime \prime }+y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.042

6735

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

[[_high_order, _linear, _nonhomogeneous]]

0.570

6736

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

[[_high_order, _linear, _nonhomogeneous]]

0.098

6737

\begin{align*} y+2 y^{\prime \prime }+y^{\prime \prime \prime \prime }&=24 x \sin \left (x \right ) \\ \end{align*}

[[_high_order, _linear, _nonhomogeneous]]

0.513

6738

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

[[_high_order, _with_linear_symmetries]]

0.108

6739

\begin{align*} -8 y-2 y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.050

6740

\begin{align*} -4 y+3 y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.047

6741

\begin{align*} y^{\prime \prime \prime \prime }+5 y^{\prime \prime }+6 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.055

6742

\begin{align*} 27 y-12 y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.049

6743

\begin{align*} a^{2} y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.048

6744

\begin{align*} a^{4} y+2 a^{2} y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.059

6745

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

[[_high_order, _linear, _nonhomogeneous]]

0.674

6746

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

[[_high_order, _missing_x]]

0.055

6747

\begin{align*} 10 f^{\prime }\left (x \right ) y^{\prime }+3 y \left (3 f \left (x \right )^{2}+f^{\prime \prime }\left (x \right )\right )+10 f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.047

6748

\begin{align*} -2 y+5 y^{\prime }-3 y^{\prime \prime }-y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.047

6749

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

[[_high_order, _with_linear_symmetries]]

0.103

6750

\begin{align*} y^{2}-2 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

0.026

6751

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

[NONE]

0.029

6752

\begin{align*} -y-2 y^{\prime }+2 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.046

6753

\begin{align*} y^{\prime \prime \prime \prime }-2 y^{\prime \prime \prime }+2 y^{\prime \prime }-2 y^{\prime }+y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.049

6754

\begin{align*} y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+3 y^{\prime \prime }+2 y^{\prime }+y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.065

6755

\begin{align*} y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }-3 y^{\prime \prime }-4 y^{\prime }+4 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.049

6756

\begin{align*} -y^{\prime }+y^{\prime \prime }-3 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.078

6757

\begin{align*} y-4 y^{\prime }+6 y^{\prime \prime }-4 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.046

6758

\begin{align*} 16 y-16 y^{\prime }+12 y^{\prime \prime }-4 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.063

6759

\begin{align*} a^{4} x^{4} y+4 a^{3} x^{3} y^{\prime }+6 a^{2} x^{2} y^{\prime \prime }+4 a x y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.045

6760

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

[[_high_order, _linear, _nonhomogeneous]]

1.549

6761

\begin{align*} -3 y^{\prime }+11 y^{\prime \prime }-12 y^{\prime \prime \prime }+4 y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.046

6762

\begin{align*} 3 y^{\prime \prime \prime }+x y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.148

6763

\begin{align*} 5 y^{\prime \prime \prime }+x y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.172

6764

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

[[_high_order, _missing_y]]

0.780

6765

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

[[_high_order, _missing_y]]

0.200

6766

\begin{align*} 2 y^{\prime \prime }+4 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.069

6767

\begin{align*} 6 y^{\prime \prime }+6 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.185

6768

\begin{align*} 12 y^{\prime \prime }+8 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.191

6769

\begin{align*} -a^{2} y+12 y^{\prime \prime }+8 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.035

6770

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

[[_high_order, _quadrature]]

0.260

6771

\begin{align*} -c^{4} y+16 \left (1+a -b \right ) \left (2+a -b \right ) y^{\prime \prime }+32 \left (2+a -b \right ) x y^{\prime \prime \prime }+16 x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.040

6772

\begin{align*} -a^{4} x^{3} y-y^{\prime \prime } x +2 x^{2} y^{\prime \prime \prime }+x^{3} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.060

6773

\begin{align*} 6 y^{\prime \prime } x +6 x^{2} y^{\prime \prime \prime }+x^{3} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.228

6774

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

[[_high_order, _with_linear_symmetries]]

0.049

6775

\begin{align*} -4 y-2 y^{\prime } x +4 x^{2} y^{\prime \prime }+6 x^{3} y^{\prime \prime \prime }+x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.127

6776

\begin{align*} y+3 y^{\prime } x +9 x^{2} y^{\prime \prime }+6 x^{3} y^{\prime \prime \prime }+x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.126

6777

\begin{align*} 12 x^{2} y^{\prime \prime }+8 x^{3} y^{\prime \prime \prime }+x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_y]]

0.109

6778

\begin{align*} a y+12 x^{2} y^{\prime \prime }+8 x^{3} y^{\prime \prime \prime }+x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.138

6779

\begin{align*} \operatorname {A4} y+\operatorname {A3} x y^{\prime }+\operatorname {A2} \,x^{2} y^{\prime \prime }+\operatorname {A1} \,x^{3} y^{\prime \prime \prime }+x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.263

6780

\begin{align*} -b^{4} x^{\frac {2}{a}} y+16 \left (-2 a +1\right ) \left (-a +1\right ) a^{2} x^{2} y^{\prime \prime }-32 \left (-2 a +1\right ) a^{2} x^{3} y^{\prime \prime \prime }+16 a^{4} x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.055

6781

\begin{align*} {\mathrm e}^{x} y+4 \,{\mathrm e}^{x} y^{\prime }+6 \,{\mathrm e}^{x} y^{\prime \prime }+4 \left ({\mathrm e}^{x}+2\right ) y^{\prime \prime \prime }+\left ({\mathrm e}^{x}+2 x \right ) y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _fully, _exact, _linear]]

0.228

6782

\begin{align*} 2 y^{\prime }-2 y^{\prime \prime }-y^{\prime \prime \prime }+y^{\left (5\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.054

6783

\begin{align*} y^{\prime }+2 y^{\prime \prime \prime }+y^{\left (5\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.055

6784

\begin{align*} y^{\prime }+2 y^{\prime \prime \prime }+y^{\left (5\right )}&=a x +b \cos \left (x \right )+c \sin \left (x \right ) \\ \end{align*}

[[_high_order, _missing_y]]

1.017

6785

\begin{align*} y^{\left (6\right )}&=0 \\ \end{align*}

[[_high_order, _quadrature]]

0.034

6786

\begin{align*} a y+y^{\left (6\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.067

6787

\begin{align*} y+2 y^{\prime \prime \prime }+y^{\left (6\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.071

6788

\begin{align*} y^{\left (8\right )}&=y \\ \end{align*}

[[_high_order, _missing_x]]

0.072

6789

\begin{align*} y-2 y^{\prime \prime \prime \prime }+y^{\left (8\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.069

6790

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

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

2.651

6791

\begin{align*} -y^{\prime } y+{y^{\prime }}^{2}+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.029

6792

\begin{align*} a y y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.027

6793

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

[[_3rd_order, _exact, _nonlinear]]

0.034

6794

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

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.035

6795

\begin{align*} y^{3} y^{\prime }-y^{\prime } y^{\prime \prime }+y y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.030

6796

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

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

0.029

6797

\begin{align*} 3 y^{2}+18 x y^{\prime } y+9 x^{2} {y^{\prime }}^{2}+9 x^{2} y y^{\prime \prime }+3 x^{3} y^{\prime } y^{\prime \prime }+x^{3} y y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.043

6798

\begin{align*} 2 {y^{\prime }}^{3}+3 y^{\prime \prime }+6 y y^{\prime } y^{\prime \prime }+\left (x +y^{2}\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.039

6799

\begin{align*} 15 {y^{\prime }}^{3}-18 y y^{\prime } y^{\prime \prime }+4 y^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.033

6800

\begin{align*} 40 {y^{\prime }}^{3}-45 y y^{\prime } y^{\prime \prime }+9 y^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.033