Many companies make small solid-state digital audio players, essentially producing flash drives with sound output and a simple user interface. Examples include the Creative MuVo, Philips GoGear and the first generation iPod shuffle. Some of these players are true USB flash drives as well as music...

Then, write the image data to a PNG file using the new colormap. Write image data to a new PNG file with the built-in MATLAB colormap, copper. This online tool lets you convert PDF to PNG format without being worried about your files being shared or somehow leaked. The files that are being proces...