Need help with my matlab code Basically I need a loop that performs the manual c

Question

Need help with my matlab code

Basically I need a loop that performs the manual code I wrote below. I put a for loop to try to get the results from the manual code for a given n value but it's not giving me the same results. Can someone help me fix this loop ?

Thank you !

clc
clear all
%p represents poles of the filter
p0=exp(1*i*pi/4);
p1=exp(1*i*3*pi/4);
p2=exp(1*i*5*pi/4);
p3=exp(1*i*7*pi/4);
%real function gets the real poles
real(p0);
real(p1);
real(p2);
real(p3);

% need to make a loop for the code above
n=2;
for k=0:(2*n-1)
p=exp(1*i*pi+2*k*pi/2*n)
real(p);
end
%not getting the same results on the for loop as the one above

Explanation / Answer

code:

clc;

clear all;

close all;

n=2;
for k=0:(2^n)-1
p=exp((2*k+1)*i*pi/2^n)
y=real(p)
end

result:

p =

0.7071 + 0.7071i

y =

0.7071

p =

-0.7071 + 0.7071i

y =

-0.7071

p =

-0.7071 - 0.7071i

y =

-0.7071

p =

0.7071 - 0.7071i

y =

0.7071

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