Complex Fourier Series in MATLAB

Hello I'm tyring to solve this Complex fourier series porblem but for some reason when I solve for F1 I get an error and I'm not sure why because I have know warings so it should run smoothly. I would appreciate any assistance in resolving this issue and thank you in adavnce.

% Problem_1 the Complex Foruier series of the function f(x)

% f(x)=-1 -pi < x < 0

% f(x)=1 0 < x < pi

syms x n real

syms n integer

P = sym(2);

y = -1;

y1= 1;

Cn=int(y*exp(-1i*n*P*x/P),x,-P,0)+int(y1*exp(-1i*n*P*x/P),x,0,P);

Co=int(y,x,-P,0)+int(y1,x,0,P);

Ca=subs(Cn,cos(x),(exp(1i*x)+exp(-1i*x))/2);

Fn=(1/2*P)*Ca;

Fa=(1/2)*(1/P)*Co;

F1=symsum(Fn*exp(1i*n*P*x/P),n,-Inf,Inf);

display (F1)

[VBBV]

%  f(x)=-1 -pi < x < 0
%  f(x)=1  0 < x < pi
syms x n real
syms n integer
P = sym(2);
y = -1;
y1= 1;
Cn=int(y*exp(-1i*n*P*x/P),x,-P,0)+int(y1*exp(-1i*n*P*x/P),x,0,P);
Co=int(y,x,-P,0)+int(y1,x,0,P);
Ca=subs(Cn,cos(x),(exp(1i*x)+exp(-1i*x))/2);
Fn=(1/2*P)*Ca;
Fa=(1/2)*(1/P)*Co;
F1=symsum(Fn*exp(1i*n*P*x/P),n,-Inf,Inf);
display (F1)

[Aijalon Marsh]

Um I sorry but I'm not sure what you've done to improve upon my issue cause I still have the same problem.

Answer 1

[VBBV]

 % if true
    % code
  %end
F1=symsum(Fn*exp(1i*n*P*x/P),x,[-Inf,Inf])

Use x as the summing variable.

[Aijalon Marsh]

ok thank you.

[Abhi Rane]

Does it work?