Elementary Numerical Analysis: An Algorithmic Approach
Elementary Numerical Analysis: An Algorithmic Approach
Expert systems and mathematical optimization approaches on physical layout optimization problems
IEA/AIE '00 Proceedings of the 13th international conference on Industrial and engineering applications of artificial intelligence and expert systems: Intelligent problem solving: methodologies and approaches
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Two heuristic methods are presented for accelerating convergence of a force-directed placement problem. The first stabilizes the derivative of the repulsion force. The second uses information on device movement and instability characteristics to make a predictive extrapolation. Convergence is accelerated by replacing iterations with the faster heuristic iterations. A standard implementation from the literature is made three to four times faster by using these techniques.