need some changes in matlab code and graph

I am a Mechanical Engineer and an expert in Statistics, Plotting graphs, charts, Excel sheet, Mathematical problems, regression analysis & Linear regression analysis Have done many projects of statistics on Excel sheet and MATLAB. I read your project and sure I can handle your project. Your project will be delivered on time with high standard Assistance will be provided with number of clarifications until client satisfaction I will provide assistance even after the payment. And will maintain data (content) security. let's talk! We'll start by going over the details of your project.

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Hey, I have read your description thoroughly. I am mechanical engineer and have 2 years' experience in MATLAB. You can go through my portfolio in my profile. Meet you soon in chat. Regards Harsh

Hello This is Erick, a graduate Engineer and an expert in MATLAB. I have gone through the details of your project, hence I can confirm that I am able to deliver it. Let's have a discussion on the chat so that we can agree on a few things and share a comprehensive proposal to implement the project Rgs