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In this paper, we present a MATLAB program for automatic symbolic simplification of analog circuits containing MOSFETs, using modified nodal analysis (MNA) and ant colony optimization (ACO). At first, all MOSFETs are replaced by the corresponding small-signal models. Then, the circuit be analyzed by applying symbolic MNA, and the exact symbolic expression of the circuit behavior is generated. The...
In map generalization, it is important to simplify closed linear objects. In fact, an area object can be represented by its boundary in vector, such as lakes, land use, etc. So shape simplification of area objects can make full use of the algorithms for simplifying closed linear objects. According to the purpose of simplification for boundary line of land use, the standards on map production and basic...
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