A symbolic framework for C++, Python and Octave implementing automatic differentiation by source code transformation in forward and reverse modes on sparse matrix-valued computational graphs.
This is a Matlab Code to build your own speed meter for a Powerball using a coil of enamelled copper wire, an audio cable and a computer with Matlab. Check the code at: http://ovilloenredado.blogspot.com/2009/01/lets-powerball-ii-diy-digital-speed.html
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