2.21.1.33 First order ODE’s solved using Laplace method

Number of problems in this table is 77

Column notations: A is ODE degree. B is Program Number of solutions generated. C is CAS Number of solutions generated.

Table 2.580: first_order_laplace









#

ODE

A

B

C

CAS classification

Solved?

Verified?

time (sec)










2839

\[ {}y^{\prime }-2 y = 6 \,{\mathrm e}^{5 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.441










2840

\[ {}y^{\prime }+y = 8 \,{\mathrm e}^{3 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.39










2841

\[ {}y^{\prime }+3 y = 2 \,{\mathrm e}^{-t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.418










2842

\[ {}y^{\prime }+2 y = 4 t \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.377










2843

\[ {}y^{\prime }-y = 6 \cos \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.501










2844

\[ {}y^{\prime }-y = 5 \sin \left (2 t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.529










2845

\[ {}y^{\prime }+y = 5 \,{\mathrm e}^{t} \sin \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.586










2867

\[ {}y^{\prime }+2 y = 2 \operatorname {Heaviside}\left (-1+t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.896










2868

\[ {}y^{\prime }-2 y = \operatorname {Heaviside}\left (t -2\right ) {\mathrm e}^{t -2} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.053










2869

\[ {}y^{\prime }-y = 4 \operatorname {Heaviside}\left (t -\frac {\pi }{4}\right ) \sin \left (t +\frac {\pi }{4}\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.749










2870

\[ {}y^{\prime }+2 y = \operatorname {Heaviside}\left (t -\pi \right ) \sin \left (2 t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.399










2871

\[ {}y^{\prime }+3 y = \left \{\begin {array}{cc} 1 & 0\le t <1 \\ 0 & 1\le t \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.232










2872

\[ {}y^{\prime }-3 y = \left \{\begin {array}{cc} \sin \left (t \right ) & 0\le t <\frac {\pi }{2} \\ 1 & \frac {\pi }{2}\le t \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.909










2873

\[ {}y^{\prime }-3 y = -10 \,{\mathrm e}^{-t +a} \sin \left (-2 t +2 a \right ) \operatorname {Heaviside}\left (t -a \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

13.737










2882

\[ {}y^{\prime }-y = \left \{\begin {array}{cc} 2 & 0\le t <1 \\ -1 & 1\le t \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.273










2884

\[ {}y^{\prime }+y = \delta \left (t -5\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.756










2885

\[ {}y^{\prime }-2 y = \delta \left (t -2\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.748










2886

\[ {}y^{\prime }+4 y = 3 \delta \left (-1+t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.836










2887

\[ {}y^{\prime }-5 y = 2 \,{\mathrm e}^{-t}+\delta \left (t -3\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.939










5200

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

i.c.

1

1

1

[_quadrature]

0.33










5201

\[ {}y^{\prime }+2 y = 2 \]

i.c.

1

1

1

[_quadrature]

0.278










5202

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.431










5679

\[ {}y^{\prime }+\frac {26 y}{5} = \frac {97 \sin \left (2 t \right )}{5} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.677










5680

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

i.c.

1

1

1

[_quadrature]

0.308










5691

\[ {}y^{\prime }-6 y = 0 \]

i.c.

1

1

1

[_quadrature]

0.323










6502

\[ {}L i^{\prime }+R i = E_{0} \operatorname {Heaviside}\left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

3.074










6503

\[ {}L i^{\prime }+R i = E_{0} \delta \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

3.217










6504

\[ {}L i^{\prime }+R i = E_{0} \sin \left (\omega t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

2.338










6656

\[ {}y^{\prime }-y = 1 \]

i.c.

1

1

1

[_quadrature]

0.418










6657

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

i.c.

1

1

1

[_quadrature]

0.335










6658

\[ {}y^{\prime }+6 y = {\mathrm e}^{4 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.526










6659

\[ {}y^{\prime }-y = 2 \cos \left (5 t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.654










6666

\[ {}y^{\prime }+y = {\mathrm e}^{-3 t} \cos \left (2 t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.837










6668

\[ {}y^{\prime }+4 y = {\mathrm e}^{-4 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.501










6669

\[ {}y^{\prime }-y = 1+t \,{\mathrm e}^{t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.519










6680

\[ {}y^{\prime }+y = \left \{\begin {array}{cc} 0 & 0\le t <1 \\ 5 & 1\le t \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.691










6681

\[ {}y^{\prime }+y = \left \{\begin {array}{cc} 1 & 0\le t <1 \\ -1 & 1\le t \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.87










6682

\[ {}y^{\prime }+y = \left \{\begin {array}{cc} t & 0\le t <1 \\ 0 & 1\le t \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.791










6688

\[ {}y^{\prime }+y = t \sin \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.716










6689

\[ {}y^{\prime }-y = t \,{\mathrm e}^{t} \sin \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.717










6697

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.638










6698

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.637










11507

\[ {}x^{\prime }+5 x = \operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.759










11508

\[ {}x^{\prime }+x = \sin \left (2 t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.836










11516

\[ {}x^{\prime } = 2 x+\operatorname {Heaviside}\left (-1+t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.455










11518

\[ {}x^{\prime } = x-2 \operatorname {Heaviside}\left (-1+t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.955










11519

\[ {}x^{\prime } = -x+\operatorname {Heaviside}\left (-1+t \right )-\operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

2.234










11523

\[ {}x^{\prime }+3 x = \delta \left (-1+t \right )+\operatorname {Heaviside}\left (t -4\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

2.467










12316

\[ {}2 y^{\prime }+y = {\mathrm e}^{-\frac {t}{2}} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.454










12320

\[ {}y^{\prime }-y = {\mathrm e}^{2 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.408










12322

\[ {}y^{\prime }+y = \operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.832










12323

\[ {}y^{\prime }-2 y = 4 t \left (\operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (t -2\right )\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.905










12343

\[ {}10 Q^{\prime }+100 Q = \operatorname {Heaviside}\left (-1+t \right )-\operatorname {Heaviside}\left (t -2\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.082










12784

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

1

1

1

[_quadrature]

0.23










12786

\[ {}y^{\prime }+2 y = 4 \]

1

1

1

[_quadrature]

0.267










12791

\[ {}y^{\prime } = {\mathrm e}^{x} \]

i.c.

1

1

1

[_quadrature]

0.257










12792

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.475










12798

\[ {}y^{\prime }-2 y = 6 \]

i.c.

1

1

1

[_quadrature]

0.413










12799

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.473










12806

\[ {}y^{\prime }+2 y = \left \{\begin {array}{cc} 2 & 0\le x <1 \\ 1 & 1\le x \end {array}\right . \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.227










12813

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.819










12814

\[ {}y^{\prime }-3 y = \delta \left (-1+x \right )+2 \operatorname {Heaviside}\left (-2+x \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.398










13848

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

i.c.

1

1

1

[_quadrature]

0.461










13849

\[ {}y^{\prime }-2 y = t^{3} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.671










13850

\[ {}y^{\prime }+3 y = \operatorname {Heaviside}\left (t -4\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.297










13883

\[ {}y^{\prime } = \operatorname {Heaviside}\left (t -3\right ) \]

i.c.

1

1

1

[_quadrature]

0.345










13884

\[ {}y^{\prime } = \operatorname {Heaviside}\left (t -3\right ) \]

i.c.

1

1

1

[_quadrature]

0.336










13888

\[ {}y^{\prime } = \left \{\begin {array}{cc} 0 & t <1 \\ 1 & 1

i.c.

1

1

1

[_quadrature]

0.509










13891

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

i.c.

1

1

1

[_quadrature]

0.337










13892

\[ {}y^{\prime } = \delta \left (t -2\right )-\delta \left (t -4\right ) \]

i.c.

1

1

1

[_quadrature]

0.356










13895

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

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.068










13898

\[ {}y^{\prime }+3 y = \delta \left (t -2\right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

1.099










15552

\[ {}x^{\prime }+3 x = {\mathrm e}^{-2 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.407










15553

\[ {}x^{\prime }-3 x = 3 t^{3}+3 t^{2}+2 t +1 \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.382










15554

\[ {}x^{\prime }-x = \cos \left (t \right )-\sin \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.471










15555

\[ {}2 x^{\prime }+6 x = t \,{\mathrm e}^{-3 t} \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.428










15556

\[ {}x^{\prime }+x = 2 \sin \left (t \right ) \]

i.c.

1

1

1

[[_linear, ‘class A‘]]

0.45