2.2.111 Problems 11001 to 11100

Table 2.223: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

11001

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.248

11002

\[ {}y^{\prime \prime }-y = 0 \]

[[_2nd_order, _missing_x]]

1.651

11003

\[ {}y^{\prime \prime }-2 y-4 x^{2} {\mathrm e}^{x^{2}} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.600

11004

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.290

11005

\[ {}y^{\prime \prime }+l y = 0 \]

[[_2nd_order, _missing_x]]

1.769

11006

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

[[_2nd_order, _with_linear_symmetries]]

0.222

11007

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

[[_2nd_order, _with_linear_symmetries]]

0.367

11008

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

[[_2nd_order, _with_linear_symmetries]]

0.656

11009

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

[[_2nd_order, _with_linear_symmetries]]

0.487

11010

\[ {}y^{\prime \prime }-c \,x^{a} y = 0 \]

[[_Emden, _Fowler]]

0.306

11011

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

[_Titchmarsh]

0.533

11012

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

[[_2nd_order, _with_linear_symmetries]]

0.545

11013

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

[[_2nd_order, _with_linear_symmetries]]

0.323

11014

\[ {}y^{\prime \prime }+a \,{\mathrm e}^{b x} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.302

11015

\[ {}y^{\prime \prime }-\left (4 a^{2} b^{2} x^{2} {\mathrm e}^{2 b \,x^{2}}-1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.608

11016

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

[[_2nd_order, _with_linear_symmetries]]

0.583

11017

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

[[_2nd_order, _with_linear_symmetries]]

1.129

11018

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

[_ellipsoidal]

1.001

11019

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

[_ellipsoidal]

1.360

11020

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

[[_2nd_order, _with_linear_symmetries]]

1.137

11021

\[ {}y^{\prime \prime }-\left (\frac {m \left (m -1\right )}{\cos \left (x \right )^{2}}+\frac {n \left (n -1\right )}{\sin \left (x \right )^{2}}+a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

6.380

11022

\[ {}y^{\prime \prime }-\left (n \left (n +1\right ) k^{2} \operatorname {JacobiSN}\left (x , k\right )^{2}+b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.534

11023

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

[[_2nd_order, _with_linear_symmetries]]

0.583

11024

\[ {}y^{\prime \prime }+y^{\prime }+a \,{\mathrm e}^{-2 x} y = 0 \]

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

0.988

11025

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

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

0.604

11026

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

[[_2nd_order, _missing_x]]

1.402

11027

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

[[_2nd_order, _linear, _nonhomogeneous]]

6.101

11028

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

[[_2nd_order, _with_linear_symmetries]]

0.931

11029

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

[[_2nd_order, _with_linear_symmetries]]

0.639

11030

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.766

11031

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

[[_2nd_order, _with_linear_symmetries]]

0.696

11032

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

[[_2nd_order, _with_linear_symmetries]]

0.845

11033

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

[[_2nd_order, _with_linear_symmetries]]

0.860

11034

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

[_Hermite]

0.537

11035

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

[_Hermite]

0.789

11036

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

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

0.385

11037

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

[[_2nd_order, _with_linear_symmetries]]

0.775

11038

\[ {}y^{\prime \prime }+4 y^{\prime } x +\left (4 x^{2}+2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.525

11039

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (3 x^{2}+2 n -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.847

11040

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (4 x^{2}-1\right ) y-{\mathrm e}^{x} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.810

11041

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (4 x^{2}-2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.448

11042

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (4 x^{2}-3\right ) y-{\mathrm e}^{x^{2}} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.734

11043

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

[[_2nd_order, _with_linear_symmetries]]

0.874

11044

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

[[_2nd_order, _with_linear_symmetries]]

1.314

11045

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

[[_2nd_order, _with_linear_symmetries]]

1.134

11046

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (\operatorname {a1} \,x^{2}+\operatorname {b1} x +\operatorname {c1} \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

2.995

11047

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

[[_2nd_order, _with_linear_symmetries]]

0.817

11048

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

[[_2nd_order, _with_linear_symmetries]]

0.647

11049

\[ {}y^{\prime \prime }-x^{2} \left (x +1\right ) y^{\prime }+x \left (x^{4}-2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.582

11050

\[ {}y^{\prime \prime }+x^{4} y^{\prime }-x^{3} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.928

11051

\[ {}y^{\prime \prime }+a \,x^{q -1} y^{\prime }+b \,x^{q -2} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.929

11052

\[ {}y^{\prime \prime }+\sqrt {x}\, y^{\prime }+\left (\frac {1}{4 \sqrt {x}}+\frac {x}{4}-9\right ) y-x \,{\mathrm e}^{-\frac {x^{{3}/{2}}}{3}} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.959

11053

\[ {}y^{\prime \prime }-\frac {y^{\prime }}{\sqrt {x}}+\frac {\left (x +\sqrt {x}-8\right ) y}{4 x^{2}} = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.544

11054

\[ {}y^{\prime \prime }-\left (2 \,{\mathrm e}^{x}+1\right ) y^{\prime }+{\mathrm e}^{2 x} y-{\mathrm e}^{3 x} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.305

11055

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

[[_2nd_order, _linear, _nonhomogeneous]]

37.505

11056

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

[[_2nd_order, _with_linear_symmetries]]

2.063

11057

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

[[_2nd_order, _with_linear_symmetries]]

0.988

11058

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

[[_2nd_order, _with_linear_symmetries]]

1.025

11059

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

[[_2nd_order, _with_linear_symmetries]]

1.751

11060

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

[[_2nd_order, _with_linear_symmetries]]

1.107

11061

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

[[_2nd_order, _with_linear_symmetries]]

1.726

11062

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

[[_2nd_order, _with_linear_symmetries]]

0.777

11063

\[ {}y^{\prime \prime }+f \left (x \right ) y^{\prime }+\left (\frac {f \left (x \right )^{2}}{4}+\frac {f^{\prime }\left (x \right )}{2}+a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.972

11064

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

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

1.122

11065

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

[[_2nd_order, _with_linear_symmetries]]

1.102

11066

\[ {}y^{\prime \prime }-\left (\frac {2 f^{\prime }\left (x \right )}{f \left (x \right )}+\frac {g^{\prime \prime }\left (x \right )}{g^{\prime }\left (x \right )}-\frac {g^{\prime }\left (x \right )}{g \left (x \right )}\right ) y^{\prime }+\left (\frac {f^{\prime }\left (x \right ) \left (\frac {2 f^{\prime }\left (x \right )}{f \left (x \right )}+\frac {g^{\prime \prime }\left (x \right )}{g^{\prime }\left (x \right )}-\frac {g^{\prime }\left (x \right )}{g \left (x \right )}\right )}{f \left (x \right )}-\frac {f^{\prime \prime }\left (x \right )}{f \left (x \right )}-\frac {v^{2} {g^{\prime }\left (x \right )}^{2}}{g \left (x \right )^{2}}+{g^{\prime }\left (x \right )}^{2}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

2.034

11067

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

[[_2nd_order, _with_linear_symmetries]]

1.999

11068

\[ {}4 y^{\prime \prime }+9 x y = 0 \]

[[_Emden, _Fowler]]

0.312

11069

\[ {}4 y^{\prime \prime }-\left (x^{2}+a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.691

11070

\[ {}4 y^{\prime \prime }+4 y^{\prime } \tan \left (x \right )-\left (5 \tan \left (x \right )^{2}+2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

2.271

11071

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

[[_2nd_order, _with_linear_symmetries]]

1.348

11072

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

[[_2nd_order, _with_linear_symmetries]]

0.957

11073

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.862

11074

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

[[_2nd_order, _with_linear_symmetries]]

0.706

11075

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

[[_2nd_order, _missing_y]]

0.769

11076

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

[[_Emden, _Fowler]]

0.351

11077

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

[[_2nd_order, _with_linear_symmetries]]

0.540

11078

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

[[_2nd_order, _with_linear_symmetries]]

0.937

11079

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

[[_Emden, _Fowler]]

0.354

11080

\[ {}x y^{\prime \prime }-y^{\prime }-y a \,x^{3} = 0 \]

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

1.324

11081

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

[[_2nd_order, _with_linear_symmetries]]

0.782

11082

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.232

11083

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

[[_2nd_order, _with_linear_symmetries]]

0.863

11084

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

[[_Emden, _Fowler]]

0.311

11085

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

[[_Emden, _Fowler]]

0.367

11086

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

[[_Emden, _Fowler]]

0.458

11087

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

[[_2nd_order, _with_linear_symmetries]]

0.638

11088

\[ {}x y^{\prime \prime }+a y^{\prime }+b \,x^{\operatorname {a1}} y = 0 \]

[[_Emden, _Fowler]]

0.390

11089

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

[[_2nd_order, _with_linear_symmetries]]

1.179

11090

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

[[_2nd_order, _with_linear_symmetries]]

1.378

11091

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.079

11092

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

[_Laguerre]

0.747

11093

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

[_Laguerre]

0.607

11094

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

[[_2nd_order, _with_linear_symmetries]]

0.513

11095

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

[_Laguerre]

1.219

11096

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

[[_2nd_order, _with_linear_symmetries]]

0.813

11097

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

[[_2nd_order, _with_linear_symmetries]]

0.971

11098

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

[[_2nd_order, _with_linear_symmetries]]

1.466

11099

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

[[_2nd_order, _with_linear_symmetries]]

1.540

11100

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

[[_2nd_order, _with_linear_symmetries]]

1.968