s3a
  • s3a
For this ODE problem: "Solve the differential equation y'' - 9y = 4t - δ_2(t); y() = -2, y'(0) = -1 for y(t) when 0 <= t < 2 as well as when t > 2.", could someone please tell me if I am on the right track?: http://f.imgtmp.com/FWar3.jpg
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
yes
s3a
  • s3a
Yay! Now the next problem is that I know the following formula: L^(-1) ( e^(-cs) G(s) ) = u_c(t) * g(t - c) where L{g(t)} = G(s) but I'm having trouble using it on the G(s)/(s^2 - 4) part of my work. What must I do?
s3a
  • s3a
@imranmeah91, I just needed a little push in the right direction.

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anonymous
  • anonymous
hold on, I am reviewing this stuff
s3a
  • s3a
Alright :)
anonymous
  • anonymous
I don't think you are using right formula, because it is a step function you are trying to take inverse laplace transform of
anonymous
  • anonymous
G(s) --------- s^2-4 we will need to know what G(s) is
s3a
  • s3a
G(s) = L{g(t)} and g(t) is known.
anonymous
  • anonymous
@zarkon, can you help
s3a
  • s3a
If you need me to say or do something, tell me.
s3a
  • s3a
I don't think he's on his computer. :(
s3a
  • s3a
If you have a vague idea, tell me and I can try and exploit it with you.
s3a
  • s3a
@satellite73 would you be able to help with this problem by any chance?
s3a
  • s3a
Here is my latest attempt: http://f.imgtmp.com/GMNR1.jpg
s3a
  • s3a
I just realized I asked the wrong question here! I'm making another post.

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