Module for Linear Systems of O. D. E.

Numerical Methods for O. D. E.  using Mathematica. (c) John H. Mathews, 2003

Background. We wish to study the system of  D. E.'s

    [Graphics:Images/LinearSystemOfDEsMod_gr_1.gif]

Example 1.  Find the general solution to the system of D. E.'s  

    [Graphics:Images/LinearSystemOfDEsMod_gr_2.gif]

Plot the solution curves where the starting points are [Graphics:Images/LinearSystemOfDEsMod_gr_3.gif]
and the parameter t is in the interval  [Graphics:Images/LinearSystemOfDEsMod_gr_4.gif].

Solution 1.

Example 2.  Find the general solution to the system of D. E.'s  

    [Graphics:Images/LinearSystemOfDEsMod_gr_32.gif]

Plot the solution curves where the starting points are  [Graphics:Images/LinearSystemOfDEsMod_gr_33.gif],
and the parameter t is in the interval  [Graphics:Images/LinearSystemOfDEsMod_gr_34.gif].

Solution 2.

Example 3.  Find the general solution to the system of D. E.'s  

    [Graphics:Images/LinearSystemOfDEsMod_gr_69.gif]

Plot the solution curves where the starting points are  [Graphics:Images/LinearSystemOfDEsMod_gr_70.gif],
and the parameter t is in the interval  [Graphics:Images/LinearSystemOfDEsMod_gr_71.gif].

Solution 3.

Example 4.  Find the general solution to the system of D. E.'s  

    [Graphics:Images/LinearSystemOfDEsMod_gr_106.gif]

Plot the solution curves where the starting points are  [Graphics:Images/LinearSystemOfDEsMod_gr_107.gif],
and the parameter t is in the interval  [Graphics:Images/LinearSystemOfDEsMod_gr_108.gif].

Solution 4.

Example 5.  Find the general solution to the system of D. E.'s  

    [Graphics:Images/LinearSystemOfDEsMod_gr_143.gif]

Plot the solution curves where the starting points are  [Graphics:Images/LinearSystemOfDEsMod_gr_144.gif],
and the parameter t is in the interval  [Graphics:Images/LinearSystemOfDEsMod_gr_145.gif].

Solution 5.

Example 6.  Solve the system of differential equations  

    
[Graphics:Images/LinearSystemOfDEsMod_gr_180.gif]

Solution 6.

Example 7.  Solve the system of differential equations  

    [Graphics:Images/LinearSystemOfDEsMod_gr_231.gif]

Solution 7.

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Converted by Mathematica      January 28, 2003