Statistical-mechanics models {Ising model} can use pairs of +1 or -1 spins (Ernst Ising) [1925]. Pair spins can have same or different alignment. Pair energy is product of spins: +1 * +1 = 1 = -1 * -1, or +1 * -1 = -1 = -1 * +1.
Network can show spin interactions. Nodes are particles with spins, and connection edges are interaction energies. Regions, and whole systems, have total energy and are system states.
Neural nets have binary units, +1 and -1, as nodes and have connections among neurons. Total energy is system state.
Mathematical Sciences>Computer Science>Systems>Computer Vision>Brain Theory
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Date Modified: 2022.0224