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  1. ethers0n

    need difference equation and for loop help

    I'm attempting to solve a difference equation y(k+1) = -0.5*y(k) + x(k) where y(0) = 0 and x(k) is in my case a unit step function ie = 1 well, i'm trying to solve this using a for loop, but am having some trouble. The code i've generated gets an error, "Index into matrix is negative or...

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