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

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indiphile mnge
indiphile mnge 2019-5-6
回答： Matthias SImons 2021-4-21
T = 10*(1/50);
Fs = 1000;
dt = 1/Fs;
t = 0:dt:T-dt;
x = sawtooth(2*pi*50*t);
plot(t,x)
grid on

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回答（3 个）

Raj
Raj 2019-5-6
See the accepted answer here:
https://in.mathworks.com/matlabcentral/answers/165393-need-help-to-plot-sawtooth-wave-matlab
You have to define a high value for parameter 'n' in the code.
Vedika Shinde
Vedika Shinde 2021-1-27
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
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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