Plot

Plotting fourier series in matlab

Plotting fourier series in matlab
  1. How to plot a square wave Fourier series in MATLAB?
  2. How to plot frequency spectrum in MATLAB?

How to plot a square wave Fourier series in MATLAB?

A MATLAB code is used to plot the square wave function along with the Fourier sine series in order to compare the accuracy and error between the approximation and the actual function. sum = sum + 4/pi*sin(j*pi*x)/j; end plot(x, sum, 'r') hold on plot(x,f,'LineWidth',2) hold on error = abs(sum-F) Plot(x, error);

How to plot frequency spectrum in MATLAB?

In MATLAB®, the fft function computes the Fourier transform using a fast Fourier transform algorithm. Use fft to compute the discrete Fourier transform of the signal. y = fft(x); Plot the power spectrum as a function of frequency.

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