shiftinfgand plotting descrete signal

Given the discrete signal,

x[n] = {2

↑

, − 2, 3, 4, − 4}

plot the following transformations

• x[n + 1]

• x[n − 2]

Answer 1

[Mahesh Taparia]

Hi

You can as follow:

X=[2,-2,3,4,-4]; 
N=length(X); 
X1=(-1:N-1-1); 
X2=(2:N+2-1); 
figure;stem(X1,X) 
figure;stem(X2,X)