unwrap funtion is not work.

this is code that I used

clc;clear;
syms w
for m = 2:1:5
    for n = 1:1:m
      a(n)=(-1*sin(((2*n-1)*pi)/(2*m))+i*cos(((2*n-1)*pi)/(2*m)));
      if n==1
        F=1/(i*w-a(n));
      else
        F=F*1/(i*w-a(n));
      end
    end
   ezplot(unwrap(angle(F)*180/pi),[0,3])
    hold on
    grid on
end

but it's not work and i got error.

다음 사용 중 오류가 발생함: sym/diff (line 36) The second and third arguments must either be variables or a variable and a nonnegative integer specifying the number of differentiations.

오류 발생: unwrap>LocalUnwrap (line 85) dp = diff(p,1,1); % Incremental phase variations

오류 발생: unwrap (line 65) q(indf,j) = LocalUnwrap(p(indf,j),cutoff);

오류 발생: Untitled2 (line 13) ezplot(unwrap(angle(F)*180/pi),[0,3])

please help me...

Answer 1

[Walter Roberson]

Try

ezplot( matlabFunction(unwrap(angle(F)*180/pi)), [0,3])

[paul]

I try, but not work....

다음 사용 중 오류가 발생함: sym/diff (line 36)
The second and third arguments must either be variables or a variable and a nonnegative integer specifying the number of differentiations.

오류 발생: unwrap>LocalUnwrap (line 85)
dp = diff(p,1,1);                % Incremental phase variations

오류 발생: unwrap (line 65)
   q(indf,j) = LocalUnwrap(p(indf,j),cutoff);

오류 발생: Untitled (line 12)
    ezplot( matlabFunction(unwrap(angle(F)*180/pi)), [0,3])

well... please help me again....

[Walter Roberson]

F1 = matlabFunction(F, w);
F2 = @(w) unwrap(angle(F1(w))*180/pi);
ezplot(F2, [0,3])