2.2.67 Problems 6601 to 6700

Table 2.151: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

6601

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=\cos \left (x \right )+1 \end {array} \]

[[_3rd_order, _quadrature]]

0.329

6602

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (x \right )+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _quadrature]]

0.178

6603

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=\sin \left (x \right )^{3} \end {array} \]

[[_3rd_order, _quadrature]]

0.348

6604

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=y \end {array} \]

[[_3rd_order, _missing_x]]

0.086

6605

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=y+x^{2} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.174

6606

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=x \,{\mathrm e}^{x}+\cos \left (x \right )^{2}+y \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

1.940

6607

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a y+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.086

6608

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=y x \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.027

6609

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y^{\prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.062

6610

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=y^{\prime } \end {array} \]

[[_3rd_order, _missing_x]]

0.092

6611

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y^{\prime }&=x^{3}+\cos \left (x \right ) \end {array} \]

[[_3rd_order, _missing_y]]

0.748

6612

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y-2 y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.131

6613

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y-2 y^{\prime }+y^{\prime \prime \prime }&={\mathrm e}^{x} \cos \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

6.855

6614

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y-3 y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.127

6615

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y-3 y^{\prime }+y^{\prime \prime \prime }&=3 \,{\mathrm e}^{x} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.256

6616

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y-3 y^{\prime }+y^{\prime \prime \prime }&={\mathrm e}^{x} x^{2} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.251

6617

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -4 y^{\prime }+y^{\prime \prime \prime }&=-3 \,{\mathrm e}^{2 x}+x^{2} \end {array} \]

[[_3rd_order, _missing_y]]

0.297

6618

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-7 y^{\prime }+6 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.093

6619

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=a^{2} y \end {array} \]

[[_3rd_order, _missing_x]]

0.092

6620

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+2 y^{\prime } x +y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.033

6621

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a y+2 a x y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.035

6622

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y f^{\prime }\left (x \right )+2 f \left (x \right ) y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.046

6623

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.103

6624

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+y^{\prime }-y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.162

6625

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -3 y+y^{\prime }+y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.085

6626

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y^{\prime \prime }-2 y^{\prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.120

6627

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y^{\prime \prime }-2 y^{\prime }&={\mathrm e}^{-x} \end {array} \]

[[_3rd_order, _missing_y]]

0.210

6628

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y+4 y^{\prime }+y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.097

6629

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y+2 y^{\prime }+y^{\prime \prime }+y^{\prime \prime \prime }&=\sin \left (2 x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.342

6630

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -15 y-7 y^{\prime }+y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.101

6631

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+2 y^{\prime \prime }+y^{\prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.117

6632

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+2 y^{\prime \prime }+y^{\prime }&=\left (-1+x \right ) x \end {array} \]

[[_3rd_order, _missing_y]]

0.217

6633

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-2 y^{\prime \prime }+y^{\prime }&={\mathrm e}^{x} \end {array} \]

[[_3rd_order, _missing_y]]

0.209

6634

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y-y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=\sinh \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.430

6635

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -3 y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.097

6636

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -3 y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=3 x^{2}+\sin \left (x \right ) \end {array} \]

[[_3rd_order, _missing_y]]

0.517

6637

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -3 y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&={\mathrm e}^{-x}+3 x^{2} \end {array} \]

[[_3rd_order, _missing_y]]

0.283

6638

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 10 y+3 y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.161

6639

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 a^{2} y-a^{2} y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.131

6640

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 a^{2} y-a^{2} y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=\sinh \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.628

6641

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+4 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.096

6642

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+3 y^{\prime \prime }-y^{\prime }-3 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.103

6643

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }-y^{\prime }+3 y&=x^{2} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.210

6644

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+3 y^{\prime \prime }-y^{\prime }-3 y&=\cosh \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.395

6645

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+3 y^{\prime \prime }+3 y^{\prime }+y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.126

6646

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+3 y^{\prime \prime }+3 y^{\prime }+y&=x \,{\mathrm e}^{-x} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.365

6647

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y&=x \left (1-{\mathrm e}^{x} x^{2}\right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.311

6648

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+3 y^{\prime \prime }+3 y^{\prime }+y&=\left (-x^{2}+2\right ) {\mathrm e}^{-x} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.526

6649

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+4 y^{\prime }-2 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.106

6650

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+4 y^{\prime }-2 y&={\mathrm e}^{x}+\cos \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.411

6651

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-4 y^{\prime \prime }+5 y^{\prime }-2 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.115

6652

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-4 y^{\prime \prime }+5 y^{\prime }-2 y&=x \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.215

6653

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -4 y+6 y^{\prime }-4 y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.132

6654

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+9 y^{\prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.095

6655

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+12 y^{\prime }-8 y&=x^{2} {\mathrm e}^{2 x} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.271

6656

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y a^{3}+3 a^{2} y^{\prime }-3 a y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.116

6657

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y a^{3}+3 a^{2} y^{\prime }-3 a y^{\prime \prime }+y^{\prime \prime \prime }&={\mathrm e}^{a x} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.281

6658

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=a y^{\prime \prime } \end {array} \]

[[_3rd_order, _missing_x]]

0.112

6659

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \operatorname {a3} y+\operatorname {a2} y^{\prime }+\operatorname {a1} y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.378

6660

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -8 a x y-2 \left (-4 x^{2}-2 a +1\right ) y^{\prime }-6 y^{\prime \prime } x +y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.055

6661

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{3} x^{3} y+3 a^{2} x^{2} y^{\prime }+3 a x y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.046

6662

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.039

6663

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y^{\prime }+\left (2 \cot \left (x \right )+\csc \left (x \right )\right ) y^{\prime \prime }+y^{\prime \prime \prime }&=\cot \left (x \right ) \end {array} \]

[[_3rd_order, _missing_y]]

3.711

6664

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (x \right ) y-2 \cos \left (x \right ) y^{\prime }-\sin \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=\ln \left (x \right ) \end {array} \]

[[_3rd_order, _fully, _exact, _linear]]

0.754

6665

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y \left (2 f \left (x \right ) g \left (x \right )+g^{\prime }\left (x \right )\right )+\left (4 g \left (x \right )+f^{\prime }\left (x \right )+2 {f^{\prime }\left (x \right )}^{2}\right ) y^{\prime }+3 f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.068

6666

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} f \left (x \right ) y+y^{\prime }+f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.043

6667

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y^{\prime \prime \prime }-3 y^{\prime }+y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.103

6668

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -3 y-11 y^{\prime }-8 y^{\prime \prime }+4 y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.105

6669

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 18 \,{\mathrm e}^{x}-3 y-11 y^{\prime }-8 y^{\prime \prime }+4 y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.217

6670

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }&=2 \end {array} \]

[[_3rd_order, _quadrature]]

0.375

6671

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y x +3 y^{\prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.036

6672

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

6673

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.041

6674

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=-x^{2}+1 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.044

6675

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -x^{2} y+3 y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.035

6676

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y+4 y^{\prime } x -\left (-x^{2}+3\right ) y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _fully, _exact, _linear]]

0.636

6677

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y^{\prime }-\left (x +4\right ) y^{\prime \prime }+\left (1-2 x \right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.970

6678

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a \,x^{2} y-6 y^{\prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

6679

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=a \end {array} \]

[[_3rd_order, _missing_y]]

0.176

6680

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y x +\left (x^{2}+2\right ) y^{\prime }+4 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=f \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.048

6681

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y^{\prime }+5 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=\ln \left (x \right ) \end {array} \]

[[_3rd_order, _missing_y]]

0.365

6682

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 6 y^{\prime }+6 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.309

6683

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a \,x^{2} y+6 y^{\prime }+6 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.045

6684

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 6 n y^{\prime }-2 \left (n +1\right ) x y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.557

6685

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{3} y+\left (-2 x^{3}+6\right ) y^{\prime }+x \left (-x^{2}+6\right ) y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.049

6686

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 10 y^{\prime }+8 y^{\prime } x +\left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.618

6687

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y x +\left (x^{2}+2\right ) y^{\prime }-2 y^{\prime \prime } x +\left (x^{2}+2\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

6688

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+\left (x^{2}-2 x +2\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.043

6689

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+\left (2+x \right ) y^{\prime \prime }+\left (2+x \right )^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

6.500

6690

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+8 y^{\prime \prime } x +4 x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.451

6691

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+y^{\prime } x +\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime \prime }+x \left (\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime \prime \prime }&=f \left (x \right ) \end {array} \]

[[_3rd_order, _exact, _linear, _nonhomogeneous]]

2.645

6692

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }&=a \end {array} \]

[[_3rd_order, _quadrature]]

0.457

6693

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x +x^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.244

6694

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x +x^{3} y^{\prime \prime \prime }&=x \ln \left (x \right ) \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.477

6695

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.265

6696

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=x \left (x^{2}+3\right ) \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.519

6697

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -8 y+3 y^{\prime } x +x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.258

6698

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }-x^{2} y^{\prime \prime }+y^{\prime } x&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.280

6699

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y+2 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _exact, _linear, _homogeneous]]

0.334

6700

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }+2 x^{2} y^{\prime \prime }-y^{\prime } x +y&=0 \end {array} \]

[[_3rd_order, _exact, _linear, _homogeneous]]

0.254