Need help with Difference Equation

2013 8 7
1 个回答
6 次查看（30 天）

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Hi. We are asked by our teacher to create a Matlab program that solves for the first 10 terms given the LCCDE. This is to be done iteratively:
3y(n) - y(n-1) + y(n-2) = -x(n)
x(n) = n^2 u(n)
y(-1)=-2
y(-2)=1

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2013-8-7

1 个投票

You can use a for loop, because Matlab does not allow indices <=0 you should begin your for loop with k=3. then your initial conditions will be y(1)=1 and y(2)=-2

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