creating a function that performs a histogram in matlab

To create a function that performs a histogram in matlab, we can use the built-in function histogram. Here's an example function that takes in a vector of data and plots a histogram:

main.m
function plot_hist(data)
%HISTOGRAM_FUNC displays a histogram of input data

%create histogram using default settings
histogram(data);

%add axis labels
xlabel('Data');
ylabel('Frequency');

end
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To use this function, save it in a .m file in your matlab path, and call it with your data as an input:

main.m
data = [1 1 1 2 2 3 4 4 4 4];
plot_hist(data);
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This will plot a histogram of the data, with the data values on the x-axis and the frequency of each value on the y-axis. You can customize the histogram plot by specifying optional arguments to the histogram function within the function definition.