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Homework Help: Graphing a d.e. w/ a discountinous forcing function

  1. Dec 1, 2005 #1
    hey all
    i have the following d.e.
    y''+y=f(t); y(0)=0, y'(0)=1;
    f(t)={ 1 , 0<=t < pi/2
    { 0, pi/2 <=t < infinity
    so i solved the d.e.
    and i got
    Y(t) = 1+sin-cost-U_pi/2[1-sint]
    i did all the work, i just don't know how to go about graphing the funciton..
    any help would be appreciated.
     
  2. jcsd
  3. Dec 1, 2005 #2

    Hurkyl

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    Staff Emeritus
    Science Advisor
    Gold Member

    I'm having great difficulty trying to figure out what you mean in your expression for Y(t). :frown:
     
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