Hi......how to create an image in Matlab from .txt file?

I have some .txt files containing 2 columns of number (x,y) of each point identified by the x,y coordinates. I should find a way to produce an image file (the format is not important, it may be a .jpg for example) in which the x, y coordinate are identified of the .txt file (x and y coordinates). How can I concert the coordinates into an image?

Thanks!