zooming an image using nearest neighbor interpolation

nearest neighbor interpolation is used to zoom an image by any positive real number(any n>0).

zooming a given image by a given positive factor can be done..
copy nearest_neighbor_zoom.m file and the image file that should be zoomed to your work directory.
if the name of the image file is image.jpg and the zooming factor needed is 2.23,
run following command on command window.
nearest_neighbor_zoom('image.jpg',2.23);

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