Derivative filter in laplace domain
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I am trying to implement the simplest derivative filter, e.g.: H(s)=s, as:
H=tf([1 0],[1]);
output=lsim( H , input);
However, the expected error is that lsim "Cannot simulate the time response of models with more zeros than poles".
So, how do I implement it in Matlab?
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Arkadiy Turevskiy
le 23 Avr 2012
t=[0:0.01:10];
u=sin(t);
y=diff(u)./diff(t);
plot(t,u)
hold on
plot(t(2:end),y,'r')
HTH.
Arkadiy
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