how can use discrete convolution to find the response?

hi all I am beginner in signal processing. how can I solve below question? thanks

Answer 1

[Image Analyst]

Try this:

x = [0, 0, 1, 0, 0]
h = [0, 2, 1, 0, 0]
output = conv(x, h, 'full')

[sara]

thanks. is 'stem(x)' good for plotting this?

[Image Analyst]

Yes, you could do that, or plot() or bar() - whatever you want.