how to code a discrete signal
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hi im new to matlab and just been doing some coding
but i was wondering if anyone could help me cause i really cant find how the code the delayed diescrete signal
so im trying to code the next signal
y[nT]=y[(n-1)T]+3x[nT]
and i tried coding it like
y = @(n,T) y(n-1,T)+3*x(n,T)
but i just cant plot the y[nT] using stem()
it just comes out as a blank so i thought there be an error in the code for the delayed part of y
could anybody help?
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Dyuman Joshi
2021년 5월 5일
You need to initialise the sequence with some values. Looking at the documentation of stem() might help you understand better.
답변 (1개)
KSSV
2021년 5월 5일
You need to have array x and initial value of y in hand first.
Example:
x = rand(100,1) ;
y0 = rand ;
n = length(x) ;
y = zeros(n,1) ;
y(1) = y0 ;
for i = 2:n
y(i)=y(i-1)+3*x(i) ;
end
stem(1:n,y)
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