How to plot a dispersion diagram like this?
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hello everyone,
I need to plot such a diagram in matlab but I don't know how exactly I can do this. may you please help me to know how I would be able to plot a dispersion diagram like this one below?
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dpb
2020년 11월 3일
Just plot each line in succession after hold on
If you have all the data at once, put into 2D array by column for each variable and each will be plotted in one call to plot()
Include the discontinuous pieces to draw on top of the axes; will have to have the limits consistent to draw on the axis itself.
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Swetha Polemoni
2020년 11월 5일
Hi
It is my undersatanding that you want to draw ellipse, hyperbola and straight line in first quadrant. Try the following code and experiment with alpha, beta and f to get the exact diagram as you need.
%% plotting ellipse
alpha=20;
theta=0:0.01:pi/2;
x1=alpha*cos(theta);
y1=sin(theta);
axis([0 20 0 1])
plot(x1,y1);
hold on
%% plotting hyperbola
beta=15;
fun1 = @(x2,y2) y2.^2 - (x2/beta).^2 -1;
fimplicit(fun1,[0 20 0 2]);
hold on
%% plottig straight line
f=0.09;
x3=0:0.1:17;
y3=f*x3;
plot(x3,y3)
hold off
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