plot zero input response
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I am trying to plot the zero input response 
Here is the code i have so far
syms y
n=0:99;
a_1=3;
a_2=4;
x=(-1/5*y(-1)+4/5*y(-2))*(-1)^n+(16/5*y(-1)+16/5*y(-2))*(4)^n;
plot(0:99,x)
采纳的回答
randerss simil
2021-2-11
%if true
syms y
n=0:99;
a_1=3;
a_2=4;
x=(-1/5*y+4/5*y)*(-1).^n+(16/5*y+16/5*y)*(4).^n;
fplot(x,[-2,-1])
Use fplot
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