plot a tree graph in matlab

To plot a tree graph in Matlab, you can use the plot function in combination with the treeplot function. The treeplot function takes an input tree structure and plots it as a tree diagram. Here is an example code:

main.m
% Define the tree structure
tree = [0 1 1 2 2 3 3 3];

% Plot the tree graph
treeplot(tree);

% Customize the plot
title('Tree Graph');
ylabel('Node Number');
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In this example, we first define the tree structure as a vector of parent nodes. Each element in the vector represents the parent node of the corresponding node. For example, the second node has a parent node of 0 (i.e., it is the root node).

Next, we use the treeplot function to plot the tree diagram. The resulting plot shows the tree structure with nodes represented by circles and edges represented by lines.

Finally, we customize the plot by adding a title and y-axis label.

Hope this helps!