How to display the data points on my graph?

69 vues (au cours des 30 derniers jours)
Cheng-Han Yang
Cheng-Han Yang le 21 Mar 2019
filename='data3.txt';
headlines=0;
delim='\t';
B=importdata(filename,delim,headlines);
t=B(:,1);
y=B(:,2);
fun = @(x,t)x(1)*t.^3 + x(2)*t +6;
x0=[1 1];
x=lsqcurvefit(fun, x0, t, y);
scatter(t,y);
fprintf('Function fitted is y = %5.3f x^3 + %5.3f x + 6\n', x(1), x(2));
fplot(@(t)x(1)*t.^3 + x(2)*t +6, [B(1,1) B(10,1)]);
The above is my code. The scatter command works as usual when I get rid of the fplot command, but fplot seems to overwrite the scatter part and does not show me the data points anymore.
Thanks in advance.

Réponse acceptée

Kelly Kearney
Kelly Kearney le 21 Mar 2019
Add a hold after your scatter plot:
scatter(rand(10,1), rand(10,1));
hold on
fplot(@(x) x, [0 1])

Plus de réponses (0)

Catégories

En savoir plus sur Scatter Plots dans Help Center et File Exchange

Produits


Version

R2018b

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by