plot a point of interest on a graph and include it as a separate point in the label in matlab

To plot a point of interest on a graph in MATLAB and include it as a separate point in the label, you can use the text function.

First, plot your graph with your point of interest using the plot function:

main.m
% Example data
x = 0:0.1:2*pi;
y = sin(x);

% Plotting the graph
plot(x, y)
hold on;
poi = [pi/2, sin(pi/2)];
plot(poi(1), poi(2), 'ro') % plotting the point of interest in red circle
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10 lines

This will plot the graph and the point of interest.

Next, use the text function to add a label to the point of interest:

main.m
text(poi(1), poi(2), "Point of interest")
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2 lines

This will add the label "Point of interest" to the point.

Full code:

main.m
% Example data
x = 0:0.1:2*pi;
y = sin(x);

% Plotting the graph
plot(x, y)
hold on;
poi = [pi/2, sin(pi/2)];
plot(poi(1), poi(2), 'ro') % plotting the point of interest in red circle

% Adding the label
text(poi(1), poi(2), "Point of interest")
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13 lines

This will produce a graph with the point of interest labeled.

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