Analog Computing
Programming Principles and Techniques
1. Analog Computers and Simulation
An analog computer can be used to solve various types of problems. It solves them in an
“analogous” way (pun intended). Two problems or systems are considered
certain or all of their respective measurable quantities obey the same mathematical equations.
Most general purpose analog computers use an active electrical circuit as the analogous system
because it has no moving parts, a high speed of operation, good accuracy and a high degree of
versatility. Active electrical networks consisting of resistors, capacitors, and op amps
connected together are capable of simulating any linear system since the forward voltage

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