Fourier Series Example Script: Difference between revisions
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(Created page with '% This script plots a Fourier Series for a Square Wave clf; t=0:.01:10; T=2.5 M=50 sum1=0; for m=1:2:M, sum1 = sum1+4/m/pi*sin(m*pi/2)*cos(2*pi*m*t/T); end plot(t,sum1,'…') |
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% This script plots a Fourier Series for a Square Wave |
% This script plots a Fourier Series for a Square Wave |
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clf; |
clf; |
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t=0:.01:10; |
t=0:.01:10; |
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T=2.5 |
T=2.5 |
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Revision as of 13:23, 29 September 2010
% This script plots a Fourier Series for a Square Wave
clf;
t=0:.01:10; T=2.5 M=50 sum1=0; for m=1:2:M,
sum1 = sum1+4/m/pi*sin(m*pi/2)*cos(2*pi*m*t/T);
end plot(t,sum1,'b-',t(1:10:end),sum1(1:10:end),'r*') title('Fourier Series Representation of a Square Wave') xlabel('time (seconds)') ylabel('Function') grid on; axis([0,10,-2,2]) legend('Five Terms','Five Terms Sampled') print("squarewave.png","-dpng") % Prints the plot to a png file called squarewave.png