[...] a carefully designed application-program interface for Internet optimization services would do much to encourage development of client applications- Fourer, Goux

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jp

jpkempkes

Demo: Genetic Algorithms

by jp on September 17, 2011

I’ve watched it several times (you probably too), but it’s still fun: http://boxcar2d.com/ Shows a demo of a genetic algorithm that builds and evaluates cars. Cool stuff. Watch the color of the parts changing, and get a deeper insight on the subpage “the algorithm”. Best, jp – orconomy.de

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jpkempkes

OML Bounds (was: Logic Puzzles)

by jp on January 16, 2011

Nice weather, quiet Sunday – time to solve one those logic quest Logelei of the die zeit newspaper. I wanted (sic: past) to model it with OML, and to solve it with our little OptimizationZen browser tool. It took me some time to understand that OML does not fulfill some requirements for an easy approach. [...]

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This post is about how you can work with sparse parameter sets and decision variables efficiently using MOSEL. First let me mention that MOSEL does not allow defining sparse index sets, but there still is a way to get around this: Consider two index sets I1 and I2 both taken from a set I = [...]

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