Utilising matlab plots to find constants
2 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Finding m and c for an equation y = mx + c, with the help of math and plots.
In this case, y is data_model_1, x is time
Avoid other matlab functions like fitlm as it defeats the purpose.
I am having trouble finding the constants m and c. I am trying to find both m and c by limiting them to a range (Based on smart guess) and I need to deduce the m and c values based on the mean error range. The point where mean error range is closest to 0 should be my m and c values.
load(file)
figure
plot(time,data_model_1,'bo')
hold on
for a = 0.11:0.01:0.13
c = -13:0.1:-10
data_a = a * time + c ;
plot(time,data_a,'r');
end
figure
hold on
for a = 0.11:0.01:0.13
c = -13:0.1:-10
data_a = a * time + c ;
mean_range = mean(abs(data_a - data_model_1));
plot(a,mean_range,'b.')
end
EDIT: I have attached an example with the file "fil"
3 commentaires
Jan
le 8 Oct 2018
While there is no polyfit in your code, it is easy to determine the constants m and c using maths instead of plots.
Again: What is the problem with the code you have posted?
Réponses (0)
Voir également
Catégories
En savoir plus sur Annotations dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!