2.2.230 Problems 22901 to 23000

Table 2.477: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

22901

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

system_of_ODEs

0.670

22902

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

system_of_ODEs

0.260

22903

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

system_of_ODEs

0.229

22904

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

system_of_ODEs

0.233

22905

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }-3 x-6 y&=27 t^{2}\\ x^{\prime }+y^{\prime }-3 y&=5 \,{\mathrm e}^{t}\\ \end {array} \]

system_of_ODEs

0.291

22906

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

system_of_ODEs

0.034

22907

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

system_of_ODEs

0.032

22908

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

system_of_ODEs

0.031

22909

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

system_of_ODEs

0.367

22910

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=x+y+z\\ y^{\prime }&=2 x+5 y+3 z\\ z^{\prime }&=3 x+9 y+5 z\\ \end {array} \]

system_of_ODEs

0.462

22911

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

system_of_ODEs

0.035

22912

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+6 x+3 y^{\prime }+2 y&=0\\ x^{\prime }+5 x+2 y^{\prime }+3 y&=0\\ \end {array} \]

system_of_ODEs

0.529

22913

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }-x+2 y^{\prime }+7 y&=0\\ 2 x^{\prime }+y^{\prime }+x+5 y&=0\\ \end {array} \]

system_of_ODEs

0.432

22914

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+5 x+3 y^{\prime }-11 y&=0\\ x^{\prime }+3 x+y^{\prime }-7 y&=0\\ \end {array} \]

system_of_ODEs

4.361

22915

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

system_of_ODEs

0.522

22916

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

system_of_ODEs

0.748

22917

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

system_of_ODEs

0.395

22918

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+x+2 y^{\prime }+3 y&=0\\ x^{\prime }-2 x+5 y^{\prime }&=0\\ \end {array} \]

system_of_ODEs

0.681

22919

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }-x-y&=0\\ 5 x+y^{\prime }-3 y&=0\\ \end {array} \]

system_of_ODEs

0.699

22920

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

system_of_ODEs

0.416

22921

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{\prime }-6 x+3 y^{\prime }-2 y&=0\\ 7 x^{\prime }+4 x+7 y^{\prime }+20 y&=0\\ \end {array} \]

system_of_ODEs

0.566

22922

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

system_of_ODEs

0.956

22923

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

system_of_ODEs

0.785

22924

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }-x+2 y^{\prime }+7 y&=3 t -15\\ 2 x^{\prime }+y^{\prime }+x+5 y&=9 t -7\\ \end {array} \]

system_of_ODEs

0.755

22925

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+3 x-y^{\prime }-y&=0\\ 2 x^{\prime }-9 x+y^{\prime }+4 y&=15 \,{\mathrm e}^{-3 t}\\ \end {array} \]

system_of_ODEs

0.947

22926

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x-y^{\prime }-2 y&=8 t\\ x^{\prime }-2 x+y&=16 \,{\mathrm e}^{-t}\\ \end {array} \]

system_of_ODEs

1.094

22927

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{\prime }-x-y^{\prime }+y&=4 t \,{\mathrm e}^{-t}-3 \,{\mathrm e}^{-t}\\ x^{\prime }+4 x-2 y^{\prime }-4 y&=2 t \,{\mathrm e}^{-t}-6 \,{\mathrm e}^{-t}\\ \end {array} \]

system_of_ODEs

0.896

22928

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{\prime }-x+7 y^{\prime }+3 y&=90 \sin \left (2 t \right )\\ x^{\prime }-5 x+8 y^{\prime }-3 y&=0\\ \end {array} \]

system_of_ODEs

1.455

22929

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

system_of_ODEs

0.031

22930

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }-5 x+y^{\prime }+2 z&=24 \,{\mathrm e}^{-t}\\ x^{\prime }-x-y&=0\\ 5 y^{\prime }-11 y+2 z^{\prime }-2 z&=0\\ \end {array} \]

system_of_ODEs

1.583

22931

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

system_of_ODEs

1.187

22932

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

system_of_ODEs

69.499

22933

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

system_of_ODEs

3.360

22934

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

system_of_ODEs

4.941

22935

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

system_of_ODEs

0.740

22936

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

system_of_ODEs

0.466

22937

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

system_of_ODEs

0.586

22938

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=x+8 y\\ y^{\prime }&=-2 x-7 y\\ \end {array} \]

system_of_ODEs

0.432

22939

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=-12 x-7 y\\ y^{\prime }&=19 x+11 y\\ \end {array} \]

system_of_ODEs

1.238

22940

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

system_of_ODEs

0.789

22941

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

system_of_ODEs

0.741

22942

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

system_of_ODEs

1.026

22943

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+2 x-y&=100 \sin \left (t \right )\\ y^{\prime }-4 x-y&=36 t\\ \end {array} \]

system_of_ODEs

1.085

22944

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }-3 x-6 y&=9-9 t\\ y^{\prime }+3 x+3 y&=9 t \,{\mathrm e}^{-3 t}\\ \end {array} \]

system_of_ODEs

1.245

22945

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

system_of_ODEs

0.783

22946

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }+4 x+2 y-z&=12 \,{\mathrm e}^{t}\\ y^{\prime }-2 x-5 y+3 z&=0\\ z^{\prime }+4 x+z&=30 \,{\mathrm e}^{-t}\\ \end {array} \]

system_of_ODEs

1.823

22947

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

[_separable]

10.967

22948

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

[_separable]

4.321

22949

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

[_separable]

9.084

22950

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

[_separable]

75.367

22951

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

[_separable]

8.493

22952

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

[_separable]

10.939

22953

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

[_separable]

8.281

22954

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

[_separable]

9.180

22955

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

[_separable]

6.037

22956

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

[_separable]

10.562

22957

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

[_separable]

7.723

22958

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

[_separable]

14.158

22959

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

[_separable]

5.136

22960

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

[_separable]

4.958

22961

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

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

60.289

22962

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

[_separable]

10.584

22963

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

[_separable]

14.110

22964

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

[_separable]

5.412

22965

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

[_separable]

32.150

22966

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{y} \left (y^{\prime } x +1\right )&=5 \end {array} \]

[_separable]

88.092

22967

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

[[_linear, ‘class A‘]]

2.518

22968

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

[_linear]

3.709

22969

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

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

141.199

22970

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

[_linear]

4.619

22971

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

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

13.710

22972

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

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

9.422

22973

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

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

268.525

22974

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

[_linear]

5.289

22975

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

[_linear]

4.374

22976

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+3 y&=5\\ y \left (0\right )&=y_{0}\\ \end {array} \]

[_quadrature]

7.350

22977

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

[_separable]

3.720

22978

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

[_separable]

3.797

22979

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+7 y&={\mathrm e}^{5 x}\\ y \left (0\right )&=0\\ \end {array} \]

[[_linear, ‘class A‘]]

80.240

22980

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-6 y&={\mathrm e}^{6 t}\\ y \left (0\right )&=0\\ \end {array} \]

[[_linear, ‘class A‘]]

103.765

22981

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-6 y&={\mathrm e}^{6 t}\\ y \left (0\right )&=1\\ \end {array} \]

[[_linear, ‘class A‘]]

98.146

22982

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z^{\prime }-z \sin \left (x \right )&={\mathrm e}^{-\cos \left (x \right )}\\ z \left (0\right )&=0\\ \end {array} \]

[_linear]

63.520

22983

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

[_linear]

34.296

22984

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-\frac {3 y}{x}&=5 x\\ y \left ({\mathrm e}\right )&=0\\ \end {array} \]

[_linear]

6.772

22985

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-\frac {6 y}{x}&=7 x\\ y \left (1\right )&=0\\ \end {array} \]

[_linear]

15.416

22986

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

[_separable]

6.705

22987

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+\tan \left (x \right ) y&=\sec \left (x \right )\\ y \left (0\right )&=5\\ \end {array} \]

[_linear]

4.229

22988

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

[_separable]

12.080

22989

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+1\right ) y^{\prime }+y x&=\left (x^{2}+1\right )^{{3}/{2}}\\ y \left (0\right )&=7\\ \end {array} \]

[_linear]

5.290

22990

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} p^{\prime }&=15-20 p\\ p \left (0\right )&={\frac {7}{10}}\\ \end {array} \]

[_quadrature]

3.079

22991

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} n^{\prime }&=k n-b t\\ n \left (0\right )&=n_{0}\\ \end {array} \]

[[_linear, ‘class A‘]]

2.750

22992

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

[_linear]

35.958

22993

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (x \right ) y^{\prime }+2 \cos \left (x \right ) y&=4 \cos \left (x \right )^{3}\\ y \left (\frac {\pi }{4}\right )&=1\\ \end {array} \]

[_linear]

142.787

22994

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

[_linear]

2.934

22995

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

[_linear]

10.556

22996

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

[[_linear, ‘class A‘]]

3.086

22997

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

[_linear]

6.017

22998

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} v^{\prime }&=60 t -4 v\\ v \left (0\right )&=0\\ \end {array} \]

[[_linear, ‘class A‘]]

3.127

22999

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

[[_2nd_order, _missing_x]]

0.255

23000

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

[[_2nd_order, _missing_x]]

0.261