# hw7 - for i=1:3 plot(t,y_approx{i'b end...

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Assignment #7 – Solutions – page ECSE-2410 Signals & Systems Fri 09/30/05

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function hw7 clf % Define the time vector % Define the original triangular function (using sums of steps) y = (-1-t).*u(-1-t)+(2*t+2).*(u(t+1)-u(t))+(2-t).*(u(t)-u(t-2))+ ... % Plot it plot(t,y, 'b' , 'linewidth' hold on % These are the N's we'll use % The average value of y(k) is b0=1, period is 3, so w0 = 2pi/3 for i=1:length(N) % Loop over the k's, adding to the initial value of b0 for k=1:N(i) end end % Add the additional plots to the figure

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Unformatted text preview: for i=1:3 plot(t,y_approx{i}, 'b' end plot(t,y_approx{4}, 'r' , 'linewidth' axis([-2 3 -.1 2.1]) title( 'Fourier Series approximation to triangular waveform' ) %%%%%% function x = u(t) % Step function %%%%%% function bk = b(k) % The FS coefficients from the first problem Assignment #7 – Solutions – page ECSE-2410 Signals & Systems Fri 09/30/05 Assignment #7 – Solutions – page ECSE-2410 Signals & Systems Fri 09/30/05...
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