5.3.37 Problems 3601 to 3700

Table 5.107: Problems not solved by Sympy

#

ODE

Mathematica

Maple

Sympy

11745

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

11746

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

11747

\[ {} a \,x^{3} y^{\prime } y^{\prime \prime }+b y^{2} = 0 \]

11748

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

11749

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

11750

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

11751

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

11752

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

11753

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

11754

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

11755

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

11756

\[ {} x^{2} \left (2-9 x \right ) {y^{\prime \prime }}^{2}-6 x \left (1-6 x \right ) y^{\prime } y^{\prime \prime }+6 y y^{\prime \prime }-36 {y^{\prime }}^{2} x = 0 \]

11757

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

11758

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

11759

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

11760

\[ {} \left (2 y y^{\prime \prime }-{y^{\prime }}^{2}\right )^{3}+32 y^{\prime \prime } \left (x y^{\prime \prime }-y^{\prime }\right )^{3} = 0 \]

11761

\[ {} \sqrt {a {y^{\prime \prime }}^{2}+b {y^{\prime }}^{2}}+c y y^{\prime \prime }+d {y^{\prime }}^{2} = 0 \]

11762

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

11763

\[ {} y^{\prime \prime \prime }+y y^{\prime \prime }-{y^{\prime }}^{2}+1 = 0 \]

11764

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

11765

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

11766

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

11767

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

11768

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

11769

\[ {} 4 y^{2} y^{\prime \prime \prime }-18 y y^{\prime } y^{\prime \prime }+15 {y^{\prime }}^{3} = 0 \]

11770

\[ {} 9 y^{2} y^{\prime \prime \prime }-45 y y^{\prime } y^{\prime \prime }+40 {y^{\prime }}^{3} = 0 \]

11772

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

11773

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

11774

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

11775

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

11776

\[ {} 3 y^{\prime \prime } y^{\prime \prime \prime \prime }-5 {y^{\prime \prime \prime }}^{2} = 0 \]

11777

\[ {} 9 {y^{\prime \prime }}^{2} y^{\left (5\right )}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+40 y^{\prime \prime \prime } = 0 \]

11778

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

11779

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

11793

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

11805

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

11808

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

11809

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

11812

\[ {} [x^{\prime \prime }\left (t \right ) = a_{1} x \left (t \right )+b_{1} y \left (t \right )+c_{1}, y^{\prime \prime }\left (t \right ) = a_{2} x \left (t \right )+b_{2} y \left (t \right )+c_{2}] \]

11814

\[ {} \left [x^{\prime \prime }\left (t \right ) = \left (3 \cos \left (a t +b \right )^{2}-1\right ) c^{2} x \left (t \right )+\frac {3 c^{2} y \left (t \right ) \sin \left (2 a t b \right )}{2}, y^{\prime \prime }\left (t \right ) = \left (3 \sin \left (a t +b \right )^{2}-1\right ) c^{2} y \left (t \right )+\frac {3 c^{2} x \left (t \right ) \sin \left (2 a t b \right )}{2}\right ] \]

11817

\[ {} [a_{1} x^{\prime \prime }\left (t \right )+b_{1} x^{\prime }\left (t \right )+c_{1} x \left (t \right )-A y^{\prime }\left (t \right ) = B \,{\mathrm e}^{i \omega t}, a_{2} y^{\prime \prime }\left (t \right )+b_{2} y^{\prime }\left (t \right )+c_{2} y \left (t \right )+A x^{\prime }\left (t \right ) = 0] \]

11818

\[ {} [x^{\prime \prime }\left (t \right )+a \left (x^{\prime }\left (t \right )-y^{\prime }\left (t \right )\right )+b_{1} x \left (t \right ) = c_{1} {\mathrm e}^{i \omega t}, y^{\prime \prime }\left (t \right )+a \left (y^{\prime }\left (t \right )-x^{\prime }\left (t \right )\right )+b_{2} y \left (t \right ) = c_{2} {\mathrm e}^{i \omega t}] \]

11819

\[ {} [\operatorname {a11} x^{\prime \prime }\left (t \right )+\operatorname {b11} x^{\prime }\left (t \right )+\operatorname {c11} x \left (t \right )+\operatorname {a12} y^{\prime \prime }\left (t \right )+\operatorname {b12} y^{\prime }\left (t \right )+\operatorname {c12} y \left (t \right ) = 0, \operatorname {a21} x^{\prime \prime }\left (t \right )+\operatorname {b21} x^{\prime }\left (t \right )+\operatorname {c21} x \left (t \right )+\operatorname {a22} y^{\prime \prime }\left (t \right )+\operatorname {b22} y^{\prime }\left (t \right )+\operatorname {c22} y \left (t \right ) = 0] \]

11831

\[ {} [x^{\prime }\left (t \right ) = 6 x \left (t \right )-72 y \left (t \right )+44 z \left (t \right ), y^{\prime }\left (t \right ) = 4 x \left (t \right )-4 y \left (t \right )+26 z \left (t \right ), z^{\prime }\left (t \right ) = 6 x \left (t \right )-63 y \left (t \right )+38 z \left (t \right )] \]

11832

\[ {} [x^{\prime }\left (t \right ) = a x \left (t \right )+g y \left (t \right )+\beta z \left (t \right ), y^{\prime }\left (t \right ) = g x \left (t \right )+b y \left (t \right )+\alpha z \left (t \right ), z^{\prime }\left (t \right ) = \beta x \left (t \right )+\alpha y \left (t \right )+c z \left (t \right )] \]

11833

\[ {} [t x^{\prime }\left (t \right ) = 2 x \left (t \right )-t, t^{3} y^{\prime }\left (t \right ) = -x \left (t \right )+t^{2} y \left (t \right )+t, t^{4} z^{\prime }\left (t \right ) = -x \left (t \right )-t^{2} y \left (t \right )+t^{3} z \left (t \right )+t] \]

11835

\[ {} [x_{1}^{\prime }\left (t \right ) = a x_{2} \left (t \right )+b x_{3} \left (t \right ) \cos \left (c t \right )+b x_{4} \left (t \right ) \sin \left (c t \right ), x_{2}^{\prime }\left (t \right ) = -a x_{1} \left (t \right )+b x_{3} \left (t \right ) \sin \left (c t \right )-b x_{4} \left (t \right ) \cos \left (c t \right ), x_{3}^{\prime }\left (t \right ) = -b x_{1} \left (t \right ) \cos \left (c t \right )-b x_{2} \left (t \right ) \sin \left (c t \right )+a x_{4} \left (t \right ), x_{4}^{\prime }\left (t \right ) = -b x_{1} \left (t \right ) \sin \left (c t \right )+b x_{2} \left (t \right ) \cos \left (c t \right )-a x_{3} \left (t \right )] \]

11836

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

11837

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

11838

\[ {} [x^{\prime }\left (t \right ) = x \left (t \right ) \left (a \left (p x \left (t \right )+q y \left (t \right )\right )+\alpha \right ), y^{\prime }\left (t \right ) = y \left (t \right ) \left (\beta +b \left (p x \left (t \right )+q y \left (t \right )\right )\right )] \]

11839

\[ {} [x^{\prime }\left (t \right ) = h \left (a -x \left (t \right )\right ) \left (c -x \left (t \right )-y \left (t \right )\right ), y^{\prime }\left (t \right ) = k \left (b -y \left (t \right )\right ) \left (c -x \left (t \right )-y \left (t \right )\right )] \]

11840

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

11841

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

11842

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

11843

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

11845

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

11848

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

11849

\[ {} \left [x^{\prime \prime }\left (t \right ) = \frac {k x \left (t \right )}{\left (x \left (t \right )^{2}+y \left (t \right )^{2}\right )^{{3}/{2}}}, y^{\prime \prime }\left (t \right ) = \frac {k y \left (t \right )}{\left (x \left (t \right )^{2}+y \left (t \right )^{2}\right )^{{3}/{2}}}\right ] \]

11850

\[ {} [x^{\prime }\left (t \right ) = y \left (t \right )-z \left (t \right ), y^{\prime }\left (t \right ) = x \left (t \right )^{2}+y \left (t \right ), z^{\prime }\left (t \right ) = x \left (t \right )^{2}+z \left (t \right )] \]

11851

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

11852

\[ {} [x^{\prime }\left (t \right ) = x \left (t \right ) \left (y \left (t \right )-z \left (t \right )\right ), y^{\prime }\left (t \right ) = y \left (t \right ) \left (-x \left (t \right )+z \left (t \right )\right ), z^{\prime }\left (t \right ) = z \left (t \right ) \left (x \left (t \right )-y \left (t \right )\right )] \]

11853

\[ {} [x^{\prime }\left (t \right )+y^{\prime }\left (t \right ) = x \left (t \right ) y \left (t \right ), y^{\prime }\left (t \right )+z^{\prime }\left (t \right ) = y \left (t \right ) z \left (t \right ), x^{\prime }\left (t \right )+z^{\prime }\left (t \right ) = x \left (t \right ) z \left (t \right )] \]

11854

\[ {} \left [x^{\prime }\left (t \right ) = \frac {x \left (t \right )^{2}}{2}-\frac {y \left (t \right )}{24}, y^{\prime }\left (t \right ) = 2 x \left (t \right ) y \left (t \right )-3 z \left (t \right ), z^{\prime }\left (t \right ) = 3 x \left (t \right ) z \left (t \right )-\frac {y \left (t \right )^{2}}{6}\right ] \]

11855

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

11856

\[ {} [x^{\prime }\left (t \right ) = x \left (t \right ) \left (y \left (t \right )^{2}-z \left (t \right )^{2}\right ), y^{\prime }\left (t \right ) = -y \left (t \right ) \left (z \left (t \right )^{2}+x \left (t \right )^{2}\right ), z^{\prime }\left (t \right ) = z \left (t \right ) \left (x \left (t \right )^{2}+y \left (t \right )^{2}\right )] \]

11857

\[ {} [x^{\prime }\left (t \right ) = -x \left (t \right ) y \left (t \right )^{2}+x \left (t \right )+y \left (t \right ), y^{\prime }\left (t \right ) = y \left (t \right ) x \left (t \right )^{2}-x \left (t \right )-y \left (t \right ), z^{\prime }\left (t \right ) = y \left (t \right )^{2}-x \left (t \right )^{2}] \]

11858

\[ {} [\left (x \left (t \right )-y \left (t \right )\right ) \left (x \left (t \right )-z \left (t \right )\right ) x^{\prime }\left (t \right ) = f \left (t \right ), \left (-x \left (t \right )+y \left (t \right )\right ) \left (y \left (t \right )-z \left (t \right )\right ) y^{\prime }\left (t \right ) = f \left (t \right ), \left (-x \left (t \right )+z \left (t \right )\right ) \left (-y \left (t \right )+z \left (t \right )\right ) z^{\prime }\left (t \right ) = f \left (t \right )] \]

11928

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

11929

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

11930

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

11931

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

11932

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

11933

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

11934

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

11935

\[ {} y^{\prime } = a \,x^{n} y^{2}+b \,x^{m} \]

11936

\[ {} y^{\prime } = y^{2}+k \left (a x +b \right )^{n} \left (c x +d \right )^{-n -4} \]

11937

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

11938

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

11939

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

11941

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

11942

\[ {} y^{\prime } x^{2} = a \,x^{2} y^{2}+b \,x^{n}+c \]

11943

\[ {} y^{\prime } x^{2} = x^{2} y^{2}+a \,x^{2 m} \left (b \,x^{m}+c \right )^{n}-\frac {n^{2}}{4}+\frac {1}{4} \]

11944

\[ {} \left (c_{2} x^{2}+b_{2} x +a_{2} \right ) \left (y^{\prime }+\lambda y^{2}\right )+a_{0} = 0 \]

11946

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

11947

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

11948

\[ {} x^{n +1} y^{\prime } = a \,x^{2 n} y^{2}+c \,x^{m}+d \]

11949

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

11950

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

11951

\[ {} y^{\prime } = a y^{2}+b y+c x +k \]

11952

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

11953

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

11954

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

11955

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

11956

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

11957

\[ {} y^{\prime } = a \,x^{n} y^{2}+b \,x^{m} y+b c \,x^{m}-a \,c^{2} x^{n} \]

11958

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

11959

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

11960

\[ {} y^{\prime } = a \,x^{n} y^{2}+b \,x^{m} y+c k \,x^{k -1}-b c \,x^{m +k}-a \,c^{2} x^{n +2 k} \]

11961

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

11962

\[ {} x y^{\prime } = a y^{2}+b y+c \,x^{n} \]