Monthly Archives: December 2005

New LU factorization in matrix inverse algorithm

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One of the things I wanted to do as a remedy to my simplex algorithm (refer to my last blog entry) was to switch to another algorithm for LU factorization which is used in my matrix inverse algorithm. The original … Continue reading

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Solver update (rev. 100)

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Uploaded a new snapshot (rev. 100) for public consumption. In this release I’ve modified the model building algorithm – the algorithm responsible for converting a model in the spreadsheet form into a form the backend optimization algorithm can digest – … Continue reading

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Problem in two phase initial solution search

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In testing Ludovic’s model, I’ve discovered a bug in my two-phase initial solution search routine. Better take a close look at this.

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