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Plotting two equations on matlab

187 vues (au cours des 30 derniers jours)
Anna Gilchrist
Anna Gilchrist le 22 Avr 2020
Commenté : darova le 22 Avr 2020
I am trying to plot these two equations on the same graph but it just comes out blank and I can't work out why.
I originally wanted to plot u=3.*exp(t).*[1;1] + exp(-t).*[1;-1] as two seperate lines but I couldn't work out how to do that either
for t = [0:0.1:2];
ua= 3.*exp(t)+exp(-t);
ub= 3.*exp(t)-exp(-t);
plot(t,ua)
hold on
plot(t,ub)
end

Réponse acceptée

Christian Metz
Christian Metz le 22 Avr 2020
Modifié(e) : Christian Metz le 22 Avr 2020
Just plot it not in a loop. Create t before and then run the code
t = [0:0.1:2];
ua= 3.*exp(t)+exp(-t);
ub= 3.*exp(t)-exp(-t);
plot(t,ua)
hold on
plot(t,ub)
  2 commentaires
Anna Gilchrist
Anna Gilchrist le 22 Avr 2020
thank you
darova
darova le 22 Avr 2020

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