Hi,
This might not be a forum for you to learn Matlab. But there are enough learned people here who are kind enough if you ask them clear question.
As, Richard said, there are tons of tutorials available in the internet and post your question here if you have any doubts.
Concerning your question about inserting an image, where do you want insert into :
Do you want to save the plot as the image ? Did you check
print
command
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