plot mean of vector v(1:i)

8 vues (au cours des 30 derniers jours)
Thales
Thales le 11 Déc 2018
Modifié(e) : Stephen23 le 11 Déc 2018
For simplicity, I have the following code
v=1:10;
for i=1:10
mean_v(i) = mean(v(1:i));
end
plot(v,mean_v)
In essence, I want to plot the mean of the vector from elements 1 to i, as a function of the i-index. Any way I could do it in one line?
plot(v,mean(v(1:?)))
What should I change in the mean(v(1:?)) part?

Réponse acceptée

Stephen23
Stephen23 le 11 Déc 2018
Modifié(e) : Stephen23 le 11 Déc 2018
plot(v,cumsum(v)./(1:numel(v)))

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