2.20.4 Elementary differential equations and boundary value problems, 11th ed., Boyce, DiPrima, Meade

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

Table 2.386: Elementary differential equations and boundary value problems, 11th ed., Boyce, DiPrima, Meade










#

ODE

A

B

C

Program classification

CAS classification

Solved?

Verified?

time (sec)











812

\[ {}y^{\prime \prime \prime \prime }+4 y^{\prime \prime \prime }+3 y = t \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _with_linear_symmetries]]

68.273











813

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

1

0

1

unknown

[[_high_order, _with_linear_symmetries]]

N/A

0.114











814

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

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.389











815

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

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

0.319











816

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

1

1

1

higher_order_missing_y

[[_3rd_order, _missing_y]]

1.185











817

\[ {}x^{3} y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-2 x y^{\prime }+2 y = 0 \]

1

1

1

higher_order_ODE_non_constant_coefficients_of_type_Euler

[[_3rd_order, _exact, _linear, _homogeneous]]

0.627











818

\[ {}y^{\prime \prime \prime }+2 y^{\prime \prime }-y^{\prime }-3 y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

2.604











819

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

1

0

1

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.428











820

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

1

0

1

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.586











821

\[ {}t^{2} \left (3+t \right ) y^{\prime \prime \prime }-3 t \left (2+t \right ) y^{\prime \prime }+6 \left (t +1\right ) y^{\prime }-6 y = 0 \]

1

0

1

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.665











822

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

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

0.386











823

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

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

1.038











824

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

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.421











825

\[ {}y^{\left (6\right )}+y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

4.017











826

\[ {}y^{\left (6\right )}-3 y^{\prime \prime \prime \prime }+3 y^{\prime \prime }-y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.168











827

\[ {}y^{\left (6\right )}-y^{\prime \prime } = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.522











828

\[ {}y^{\left (5\right )}-3 y^{\prime \prime \prime \prime }+3 y^{\prime \prime \prime }-3 y^{\prime \prime }+2 y^{\prime } = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.529











829

\[ {}y^{\left (8\right )}+8 y^{\prime \prime \prime \prime }+16 y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.27











830

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

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.159











831

\[ {}y^{\prime \prime \prime }+5 y^{\prime \prime }+6 y^{\prime }+2 y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_3rd_order, _missing_x]]

0.424











832

\[ {}y^{\prime \prime \prime \prime }-7 y^{\prime \prime \prime }+6 y^{\prime \prime }+30 y^{\prime }-36 y = 0 \]

1

1

1

higher_order_linear_constant_coefficients_ODE

[[_high_order, _missing_x]]

0.607











833

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.656











834

\[ {}y^{\prime \prime }+3 y^{\prime }+2 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.564











835

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.575











836

\[ {}y^{\prime \prime }-2 y^{\prime }+4 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.679











837

\[ {}y^{\prime \prime }+2 y^{\prime }+5 y = 0 \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _missing_x]]

0.696











838

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+6 y^{\prime \prime }-4 y^{\prime }+y = 0 \]

i.c.

1

1

1

higher_order_laplace

[[_high_order, _missing_x]]

0.608











839

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

i.c.

1

1

1

higher_order_laplace

[[_high_order, _missing_x]]

1.06











840

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.008











841

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

0.82











842

\[ {}y^{\prime \prime }+4 y = \left \{\begin {array}{cc} 1 & 0\le t <\pi \\ 0 & \pi \le t <\infty \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.557











843

\[ {}y^{\prime \prime }+4 y = \left \{\begin {array}{cc} 1 & 0\le t <1 \\ 0 & 1\le t <\infty \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.522











844

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

3.308











845

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

4.123











846

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

4.998











847

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.614











848

\[ {}y^{\prime \prime }+3 y^{\prime }+2 y = \left \{\begin {array}{cc} 1 & 0\le t <10 \\ 0 & \operatorname {otherwise} \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

3.308











849

\[ {}y^{\prime \prime }+y^{\prime }+\frac {5 y}{4} = t -\operatorname {Heaviside}\left (t -\frac {\pi }{2}\right ) \left (t -\frac {\pi }{2}\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

3.156











850

\[ {}y^{\prime \prime }+y^{\prime }+\frac {5 y}{4} = \left \{\begin {array}{cc} \sin \left (t \right ) & 0\le t <\pi \\ 0 & \operatorname {otherwise} \end {array}\right . \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

5.484











851

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.079











852

\[ {}y^{\prime \prime \prime \prime }+5 y^{\prime \prime }+4 y = 1-\operatorname {Heaviside}\left (t -\pi \right ) \]

i.c.

1

1

1

higher_order_laplace

[[_high_order, _linear, _nonhomogeneous]]

6.35











853

\[ {}u^{\prime \prime }+\frac {u^{\prime }}{4}+u = k \left (\operatorname {Heaviside}\left (t -\frac {3}{2}\right )-\operatorname {Heaviside}\left (t -\frac {5}{2}\right )\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

10.746











854

\[ {}u^{\prime \prime }+\frac {u^{\prime }}{4}+u = \frac {\operatorname {Heaviside}\left (t -\frac {3}{2}\right )}{2}-\frac {\operatorname {Heaviside}\left (t -\frac {5}{2}\right )}{2} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

5.13











855

\[ {}u^{\prime \prime }+\frac {u^{\prime }}{4}+u = \frac {\operatorname {Heaviside}\left (t -5\right ) \left (t -5\right )-\operatorname {Heaviside}\left (t -5-k \right ) \left (t -5-k \right )}{k} \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

10.247











856

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

1.436











857

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.982











858

\[ {}y^{\prime \prime }+3 y^{\prime }+2 y = \delta \left (t -5\right )+\operatorname {Heaviside}\left (t -10\right ) \]

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.079











859

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

4.706











860

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.864











861

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.983











862

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.102











863

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

i.c.

1

1

1

higher_order_laplace

[[_high_order, _linear, _nonhomogeneous]]

3.005











864

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.325











865

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.22











866

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

2.893











867

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

i.c.

1

1

1

kovacic, second_order_linear_constant_coeff

[[_2nd_order, _linear, _nonhomogeneous]]

2.126











868

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

i.c.

1

1

1

second_order_laplace

[[_2nd_order, _linear, _nonhomogeneous]]

0.774