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Math Help - I need to help

  1. #1
    Newbie
    Joined
    Jun 2012
    From
    Brazil
    Posts
    1

    I need to help

    you can help me how to solve the integro-differential equation as follows:

    I need to help-sem-titulo.jpg

    where u1, u2, u3 are input time;
    u4 time output
    a, b, c are constants
    Last edited by evaniorodrigues; June 5th 2012 at 08:26 PM.
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  2. #2
    Junior Member
    Joined
    Jan 2009
    Posts
    56

    Re: I need to help

    What is the connection between the u's?
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