how do I plot reference arrow in quiver plot?
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Hi all,
I have a quiver plot that I want to plot a reference arrow on it? as the attachment shows. could anyone help?
thank you
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Accepted Answer
Tim Berk
on 20 Sep 2017
I would just add an extra arrow of given length to the vector field:
% random array of vectors
x=[1:6]; y=[1:5];
u = rand(numel(y),numel(x));
v = rand(numel(y),numel(x));
% create an extra entry for the reference arrow
x = [x max(x)+1];
u = [u NaN(numel(y),1)]; u(1,end) = 1;
v = [v NaN(numel(y),1)]; v(1,end) = 0;
figure
quiver(x,y,u,v)
text(max(x),1,'1 m/s','verticalalignment','bottom')
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