can anyone solve this? i am getting errors

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AAYUSH MARU 2020-4-6

回答： Urmila Rajpurohith 2020-4-9

this is my system: y[n] = x[n] - x[n-1] + x[n-2]

can anyone help me find its transfer function and impulse response.

Sriram Tadavarty 2020-4-6

Can you show us the code that you have tried and got errored? So that the help would be straight forward and up to the point

AAYUSH MARU 2020-4-6

clc;
clear all;
close all;
 
num=[1.0 -1.0 1.0];
den=[1.0];
y=impz(num,den);
stem(y);

Urmila Rajpurohith 2020-4-9

As you are trying to find transfer function from difference equation; you can refer to the below link which answers a similar question

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