3.10.2 Problems 101 to 200

Table 3.629: System of differential equations

#

ODE

Mathematica

Maple

765

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -\frac {x_{1} \left (t \right )}{2}-\frac {x_{2} \left (t \right )}{8}, x_{2}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-\frac {x_{2} \left (t \right )}{2}\right ] \]

766

\[ {}[x_{1}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )-4 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-x_{2} \left (t \right )] \]

767

\[ {}[x_{1}^{\prime }\left (t \right ) = 4 x_{1} \left (t \right )-2 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 8 x_{1} \left (t \right )-4 x_{2} \left (t \right )] \]

768

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -\frac {3 x_{1} \left (t \right )}{2}+x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = -\frac {x_{1} \left (t \right )}{4}-\frac {x_{2} \left (t \right )}{2}\right ] \]

769

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -3 x_{1} \left (t \right )+\frac {5 x_{2} \left (t \right )}{2}, x_{2}^{\prime }\left (t \right ) = -\frac {5 x_{1} \left (t \right )}{2}+2 x_{2} \left (t \right )\right ] \]

770

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{1} \left (t \right )+x_{2} \left (t \right )+x_{3} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )+x_{2} \left (t \right )-x_{3} \left (t \right ), x_{3}^{\prime }\left (t \right ) = -x_{2} \left (t \right )+x_{3} \left (t \right )] \]

771

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{2} \left (t \right )+x_{3} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )+x_{3} \left (t \right ), x_{3}^{\prime }\left (t \right ) = x_{1} \left (t \right )+x_{2} \left (t \right )] \]

772

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{1} \left (t \right )-4 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 4 x_{1} \left (t \right )-7 x_{2} \left (t \right )] \]

773

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -\frac {5 x_{1} \left (t \right )}{2}+\frac {3 x_{2} \left (t \right )}{2}, x_{2}^{\prime }\left (t \right ) = -\frac {3 x_{1} \left (t \right )}{2}+\frac {x_{2} \left (t \right )}{2}\right ] \]

774

\[ {}\left [x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )+\frac {3 x_{2} \left (t \right )}{2}, x_{2}^{\prime }\left (t \right ) = -\frac {3 x_{1} \left (t \right )}{2}-x_{2} \left (t \right )\right ] \]

775

\[ {}[x_{1}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )+9 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = -x_{1} \left (t \right )-3 x_{2} \left (t \right )] \]

776

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{1} \left (t \right ), x_{2}^{\prime }\left (t \right ) = -4 x_{1} \left (t \right )+x_{2} \left (t \right ), x_{3}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )+6 x_{2} \left (t \right )+2 x_{3} \left (t \right )] \]

777

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -\frac {5 x_{1} \left (t \right )}{2}+x_{2} \left (t \right )+x_{3} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-\frac {5 x_{2} \left (t \right )}{2}+x_{3} \left (t \right ), x_{3}^{\prime }\left (t \right ) = x_{1} \left (t \right )+x_{2} \left (t \right )-\frac {5 x_{3} \left (t \right )}{2}\right ] \]

778

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

779

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

780

\[ {}[x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-5 x_{2} \left (t \right )-\cos \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-2 x_{2} \left (t \right )+\sin \left (t \right )] \]

781

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

782

\[ {}\left [x_{1}^{\prime }\left (t \right ) = 4 x_{1} \left (t \right )-2 x_{2} \left (t \right )+\frac {1}{t^{3}}, x_{2}^{\prime }\left (t \right ) = 8 x_{1} \left (t \right )-4 x_{2} \left (t \right )-\frac {1}{t^{2}}\right ] \]

783

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -4 x_{1} \left (t \right )+2 x_{2} \left (t \right )+\frac {1}{t}, x_{2}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-x_{2} \left (t \right )+\frac {2}{t}+4\right ] \]

784

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

785

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

786

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -\frac {5 x_{1} \left (t \right )}{4}+\frac {3 x_{2} \left (t \right )}{4}+2 t, x_{2}^{\prime }\left (t \right ) = \frac {3 x_{1} \left (t \right )}{4}-\frac {5 x_{2} \left (t \right )}{4}+{\mathrm e}^{t}\right ] \]

787

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

788

\[ {}[x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-5 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-2 x_{2} \left (t \right )+\cos \left (t \right )] \]

789

\[ {}[x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-5 x_{2} \left (t \right )+\csc \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-2 x_{2} \left (t \right )+\sec \left (t \right )] \]

790

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -\frac {x_{1} \left (t \right )}{2}-\frac {x_{2} \left (t \right )}{8}+\frac {{\mathrm e}^{-\frac {t}{2}}}{2}, x_{2}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-\frac {x_{2} \left (t \right )}{2}\right ] \]

791

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

792

\[ {}[x_{1}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )-2 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-2 x_{2} \left (t \right )] \]

793

\[ {}[x_{1}^{\prime }\left (t \right ) = 5 x_{1} \left (t \right )-x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )+x_{2} \left (t \right )] \]

794

\[ {}[x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )-2 x_{2} \left (t \right )] \]

795

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{1} \left (t \right )-4 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 4 x_{1} \left (t \right )-7 x_{2} \left (t \right )] \]

796

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{1} \left (t \right )-5 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-3 x_{2} \left (t \right )] \]

797

\[ {}[x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-5 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-2 x_{2} \left (t \right )] \]

798

\[ {}[x_{1}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )-2 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = 4 x_{1} \left (t \right )-x_{2} \left (t \right )] \]

799

\[ {}\left [x_{1}^{\prime }\left (t \right ) = -x_{1} \left (t \right )-x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = -\frac {5 x_{2} \left (t \right )}{2}\right ] \]

800

\[ {}[x_{1}^{\prime }\left (t \right ) = 3 x_{1} \left (t \right )-4 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = x_{1} \left (t \right )-x_{2} \left (t \right )] \]

801

\[ {}[x_{1}^{\prime }\left (t \right ) = x_{1} \left (t \right )+2 x_{2} \left (t \right ), x_{2}^{\prime }\left (t \right ) = -5 x_{1} \left (t \right )] \]

802

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

803

\[ {}\left [x_{1}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-\frac {5 x_{2} \left (t \right )}{2}, x_{2}^{\prime }\left (t \right ) = \frac {9 x_{1} \left (t \right )}{5}-x_{2} \left (t \right )\right ] \]

804

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

805

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

806

\[ {}[x_{1}^{\prime }\left (t \right ) = -x_{1} \left (t \right )-x_{2} \left (t \right )-1, x_{2}^{\prime }\left (t \right ) = 2 x_{1} \left (t \right )-x_{2} \left (t \right )+5] \]

807

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

808

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

809

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

810

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

811

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

1589

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

1590

\[ {}\left [y_{1}^{\prime }\left (t \right ) = -\frac {5 y_{1} \left (t \right )}{4}+\frac {3 y_{2} \left (t \right )}{4}, y_{2}^{\prime }\left (t \right ) = \frac {3 y_{1} \left (t \right )}{4}-\frac {5 y_{2} \left (t \right )}{4}\right ] \]

1591

\[ {}\left [y_{1}^{\prime }\left (t \right ) = -\frac {4 y_{1} \left (t \right )}{5}+\frac {3 y_{2} \left (t \right )}{5}, y_{2}^{\prime }\left (t \right ) = -\frac {2 y_{1} \left (t \right )}{5}-\frac {11 y_{2} \left (t \right )}{5}\right ] \]

1592

\[ {}[y_{1}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-4 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-y_{2} \left (t \right )] \]

1593

\[ {}[y_{1}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-4 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-y_{2} \left (t \right )] \]

1594

\[ {}[y_{1}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )-3 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-y_{2} \left (t \right )] \]

1595

\[ {}[y_{1}^{\prime }\left (t \right ) = -6 y_{1} \left (t \right )-3 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-2 y_{2} \left (t \right )] \]

1596

\[ {}[y_{1}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-2 y_{2} \left (t \right )-3 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )+y_{2} \left (t \right )-y_{3} \left (t \right )] \]

1597

\[ {}[y_{1}^{\prime }\left (t \right ) = -6 y_{1} \left (t \right )-4 y_{2} \left (t \right )-8 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )-4 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -8 y_{1} \left (t \right )-4 y_{2} \left (t \right )-6 y_{3} \left (t \right )] \]

1598

\[ {}[y_{1}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+5 y_{2} \left (t \right )+8 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-y_{2} \left (t \right )-y_{3} \left (t \right )] \]

1599

\[ {}[y_{1}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right )+2 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 12 y_{1} \left (t \right )-4 y_{2} \left (t \right )+10 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -6 y_{1} \left (t \right )+y_{2} \left (t \right )-7 y_{3} \left (t \right )] \]

1600

\[ {}[y_{1}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )-y_{2} \left (t \right )-4 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )-3 y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right )-y_{3} \left (t \right )] \]

1601

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

1602

\[ {}[y_{1}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+2 y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )+7 y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -10 y_{1} \left (t \right )+10 y_{2} \left (t \right )-5 y_{3} \left (t \right )] \]

1603

\[ {}[y_{1}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+y_{2} \left (t \right )-y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+5 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -6 y_{1} \left (t \right )+2 y_{2} \left (t \right )+4 y_{3} \left (t \right )] \]

1604

\[ {}[y_{1}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+4 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+7 y_{2} \left (t \right )] \]

1605

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

1606

\[ {}[y_{1}^{\prime }\left (t \right ) = -7 y_{1} \left (t \right )+4 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-11 y_{2} \left (t \right )] \]

1607

\[ {}[y_{1}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+y_{2} \left (t \right )] \]

1608

\[ {}[y_{1}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )+12 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-8 y_{2} \left (t \right )] \]

1609

\[ {}[y_{1}^{\prime }\left (t \right ) = -10 y_{1} \left (t \right )+9 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )+2 y_{2} \left (t \right )] \]

1610

\[ {}[y_{1}^{\prime }\left (t \right ) = -13 y_{1} \left (t \right )+16 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -9 y_{1} \left (t \right )+11 y_{2} \left (t \right )] \]

1611

\[ {}[y_{1}^{\prime }\left (t \right ) = 2 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )+6 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 4 y_{2} \left (t \right )+2 y_{3} \left (t \right )] \]

1612

\[ {}\left [y_{1}^{\prime }\left (t \right ) = \frac {y_{1} \left (t \right )}{3}+\frac {y_{2} \left (t \right )}{3}-y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -\frac {4 y_{1} \left (t \right )}{3}-\frac {4 y_{2} \left (t \right )}{3}+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -\frac {2 y_{1} \left (t \right )}{3}+\frac {y_{2} \left (t \right )}{3}\right ] \]

1613

\[ {}[y_{1}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+y_{2} \left (t \right )-y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )+2 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+3 y_{2} \left (t \right )-y_{3} \left (t \right )] \]

1614

\[ {}[y_{1}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )-2 y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )+3 y_{2} \left (t \right )-y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-y_{2} \left (t \right )+3 y_{3} \left (t \right )] \]

1615

\[ {}[y_{1}^{\prime }\left (t \right ) = 6 y_{1} \left (t \right )-5 y_{2} \left (t \right )+3 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-y_{2} \left (t \right )+3 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )+y_{2} \left (t \right )+y_{3} \left (t \right )] \]

1616

\[ {}[y_{1}^{\prime }\left (t \right ) = -11 y_{1} \left (t \right )+8 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )-3 y_{2} \left (t \right )] \]

1617

\[ {}[y_{1}^{\prime }\left (t \right ) = 15 y_{1} \left (t \right )-9 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 16 y_{1} \left (t \right )-9 y_{2} \left (t \right )] \]

1618

\[ {}[y_{1}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-4 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-7 y_{2} \left (t \right )] \]

1619

\[ {}[y_{1}^{\prime }\left (t \right ) = -7 y_{1} \left (t \right )+24 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -6 y_{1} \left (t \right )+17 y_{2} \left (t \right )] \]

1620

\[ {}[y_{1}^{\prime }\left (t \right ) = -7 y_{1} \left (t \right )+3 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-y_{2} \left (t \right )] \]

1621

\[ {}[y_{1}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-y_{2} \left (t \right )-y_{3} \left (t \right )] \]

1622

\[ {}[y_{1}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )+2 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )+2 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )+3 y_{2} \left (t \right )+2 y_{3} \left (t \right )] \]

1623

\[ {}[y_{1}^{\prime }\left (t \right ) = -7 y_{1} \left (t \right )-4 y_{2} \left (t \right )+4 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -9 y_{1} \left (t \right )-5 y_{2} \left (t \right )+6 y_{3} \left (t \right )] \]

1624

\[ {}[y_{1}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-4 y_{2} \left (t \right )-y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )+6 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-2 y_{2} \left (t \right )+3 y_{3} \left (t \right )] \]

1625

\[ {}[y_{1}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )-8 y_{2} \left (t \right )-4 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-y_{2} \left (t \right )-4 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right )+9 y_{3} \left (t \right )] \]

1626

\[ {}[y_{1}^{\prime }\left (t \right ) = -5 y_{1} \left (t \right )-y_{2} \left (t \right )+11 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -7 y_{1} \left (t \right )+y_{2} \left (t \right )+13 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )+8 y_{3} \left (t \right )] \]

1627

\[ {}[y_{1}^{\prime }\left (t \right ) = 5 y_{1} \left (t \right )-y_{2} \left (t \right )+y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+9 y_{2} \left (t \right )-3 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )+2 y_{2} \left (t \right )+4 y_{3} \left (t \right )] \]

1628

\[ {}[y_{1}^{\prime }\left (t \right ) = y_{1} \left (t \right )+10 y_{2} \left (t \right )-12 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )+2 y_{2} \left (t \right )+3 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-y_{2} \left (t \right )+6 y_{3} \left (t \right )] \]

1629

\[ {}[y_{1}^{\prime }\left (t \right ) = -6 y_{1} \left (t \right )-4 y_{2} \left (t \right )-4 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-y_{2} \left (t \right )+y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )+3 y_{2} \left (t \right )+y_{3} \left (t \right )] \]

1630

\[ {}[y_{1}^{\prime }\left (t \right ) = 2 y_{2} \left (t \right )-2 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+5 y_{2} \left (t \right )-3 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = y_{1} \left (t \right )+y_{2} \left (t \right )+y_{3} \left (t \right )] \]

1631

\[ {}[y_{1}^{\prime }\left (t \right ) = -2 y_{1} \left (t \right )-12 y_{2} \left (t \right )+10 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-24 y_{2} \left (t \right )+11 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )-24 y_{2} \left (t \right )+8 y_{3} \left (t \right )] \]

1632

\[ {}[y_{1}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-12 y_{2} \left (t \right )+8 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-9 y_{2} \left (t \right )+4 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = y_{1} \left (t \right )-6 y_{2} \left (t \right )+y_{3} \left (t \right )] \]

1633

\[ {}[y_{1}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )-y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-3 y_{2} \left (t \right )-y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = y_{1} \left (t \right )-2 y_{3} \left (t \right )] \]

1634

\[ {}[y_{1}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-3 y_{2} \left (t \right )+4 y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 4 y_{1} \left (t \right )+5 y_{2} \left (t \right )-8 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 2 y_{1} \left (t \right )+3 y_{2} \left (t \right )-5 y_{3} \left (t \right )] \]

1635

\[ {}[y_{1}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-y_{2} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -y_{1} \left (t \right )-y_{2} \left (t \right )-2 y_{3} \left (t \right )] \]

1636

\[ {}[y_{1}^{\prime }\left (t \right ) = -y_{1} \left (t \right )+2 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -5 y_{1} \left (t \right )+5 y_{2} \left (t \right )] \]

1637

\[ {}[y_{1}^{\prime }\left (t \right ) = -11 y_{1} \left (t \right )+4 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -26 y_{1} \left (t \right )+9 y_{2} \left (t \right )] \]

1638

\[ {}[y_{1}^{\prime }\left (t \right ) = y_{1} \left (t \right )+2 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = -4 y_{1} \left (t \right )+5 y_{2} \left (t \right )] \]

1639

\[ {}[y_{1}^{\prime }\left (t \right ) = 5 y_{1} \left (t \right )-6 y_{2} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 3 y_{1} \left (t \right )-y_{2} \left (t \right )] \]

1640

\[ {}[y_{1}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )-3 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = 2 y_{2} \left (t \right )+2 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = 5 y_{1} \left (t \right )+y_{2} \left (t \right )+y_{3} \left (t \right )] \]

1641

\[ {}[y_{1}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )+3 y_{2} \left (t \right )+y_{3} \left (t \right ), y_{2}^{\prime }\left (t \right ) = y_{1} \left (t \right )-5 y_{2} \left (t \right )-3 y_{3} \left (t \right ), y_{3}^{\prime }\left (t \right ) = -3 y_{1} \left (t \right )+7 y_{2} \left (t \right )+3 y_{3} \left (t \right )] \]