how do i plot a sawtooth graph without using the sawtooth function?

2019 5 6
3 个回答
更新时间：2021 4 21
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Vedika Shinde
Vedika Shinde 2021-1-27

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i) Write a set of MATLAB commands for approximating the continuous-time periodic Sawtooth wave of amplitude 5 volts, fundamental frequency 20Hz,and duty cycle 0.5. Plot five cycles of this waveform. ii) Find out the fourier series of this waveform plotted in (i). (iii) Plot the equation of Fourier series to get the original waveform back.
Matthias SImons
Matthias SImons 2021-4-21

0 个投票

I stumbled over this question and generated an own solution:
To generate a sawtooth with time period T, over a time signal t just use interp1:
xx = [0 T/2 T];
yy = [1 0 1];
y = interp1(xx, yy, mod(t, T));

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