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You often come across charts in image form from which you need to extract data points either for data-driven modeling for comparative study For example, this is an image file which shows the stress strain curve of aluminum and steel and now from here you need to extract data points so that you can perform further analysis Now to do this, you can use one of the File Exchange called GRABIT which lets you extract data points of image files If you want to download it from the File Exchange, you can go through the link which we have provided in the description or you can also add it in MATLAB through Add-Ons Letamp;#39;s see how to add it in MATLAB using Add-Ons Open MATLAB You need to click on the Add-Ons, then click on the amp;quot;Get Add-Onsamp;quot; then in the search box, type GRABIT to search for the GRABIT file exchange entry So here it is Now you can add it or even download it Once you have added GRABIT in MATLAB, youamp;#39;ll find this file in the folder Once you open this fi