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Epidemic (Diff Equation)

  1. Apr 30, 2006 #1
    The spread of a disease in a community is modelled by the following differential equation:

    dy/dx = 0.2y - 0.02x where y is the number of infected individuals in thousands, and x the time in days.

    2) Solve the equation, using the linear 1st order method, given that initially there are 1000 infected individuals?

    How do I do that? :cry:
     
  2. jcsd
  3. Apr 30, 2006 #2

    HallsofIvy

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    How about doing what you were told to do? Since the problem says "using the linear 1st order method", I presume that you are expected to learn that there is a simple way (in fact, a formula) for finding an integrating factor for the differential equation. Check your text book for that formula.
     
  4. Apr 30, 2006 #3

    Curious3141

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