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## Main Question or Discussion Point

i have done a simple experient and now i want to draw a graph in MATLAB. how do i do that? its a straight line graph so i'd like to be able to put on a best fit line and get the slope of that. As basic as this is i'm struggling to find help how to do it on the net.seems i can find a billion pages on graphing functions etc and big fancy 3d graphs. I have a list of voltage measurements and a corresponding speed for each one