Convolution Problem

**jezzyjez** · April 29th 2010, 08:52 AM

I have the problem below I understand how convolution works but I don't understand where this x has come from and how to use it. Do I assume it is x(t)?

$s(t) = 0$ (for t <= 0)
$s(t) = 1$ (for t > 0)

convolve $y = h * x$

where $h(t) = a^t s(t)$ for some $a \Re$ and u = s

How do I solve this?

**CaptainBlack** · April 30th 2010, 01:28 PM

Originally Posted by jezzyjez

I have the problem below I understand how convolution works but I don't understand where this x has come from and how to use it. Do I assume it is x(t)?

$s(t) = 0$ (for t <= 0)
$s(t) = 1$ (for t > 0)

convolve $y = h * x$

where $h(t) = a^t s(t)$ for some $a \Re$ and u = s

How do I solve this?

Go back and check the question, the $x$ in the convolution is a function of $t$ so yes it is $x(t)$ that is being referred to.

CB

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