How to use plot in this case?

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Patryk Hennig
Patryk Hennig 2017-5-26
评论： Patryk Hennig 2017-5-26
I'm building GUI and I have to print result of this code below in axes (I mean I'd like to replace freqz by plot) but I don't know how to do it. Could you show me how?
if true
% b = fir1(n,0.5, filtr ,kaiser(n+1,0.5));
freqz(b,1)
end
  2 个评论
MathReallyWorks
MathReallyWorks 2017-5-26
Hello Patryk,
What are n and filtr in your code? It will be great if you attach your full code.
Patryk Hennig
Patryk Hennig 2017-5-26
filtr is just a type - bp, hp, lp, bs and n is filter order

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MathReallyWorks
MathReallyWorks 2017-5-26
I don't understand why you want to replace freqz() by plot(). freqz() is a better option because it gives magnitude and phase response directly.
You can directly print freqz(). No need to use plot().
n=2;
b = fir1(n,0.5, 'high' ,kaiser(n+1,0.5));
freqz(b,1)
saveas(gcf, 'responses', 'jpg'); %This will save the graph in jpg format
  1 个评论
Patryk Hennig
Patryk Hennig 2017-5-26
Cause I can't control size of the axes window when I used the old one function

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