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Xpress was originally developed by Dash Optimization, and was acquired by FICO in 2008. [3] Its initial authors were Bob Daniel and Robert Ashford. The first version of Xpress could only solve LPs; support for MIPs was added in 1986. Being released in 1983, Xpress was the first commercial LP and MIP solver running on PCs. [4]
Given a system transforming a set of inputs to output values, described by a mathematical function f, optimization refers to the generation and selection of the best solution from some set of available alternatives, [1] by systematically choosing input values from within an allowed set, computing the value of the function, and recording the best value found during the process.
OR-Tools was created by Laurent Perron in 2011. [5]In 2014, Google's open source linear programming solver, GLOP, was released as part of OR-Tools. [1]The CP-SAT solver [6] bundled with OR-Tools has been consistently winning gold medals in the MiniZinc Challenge, [7] an international constraint programming competition.
The IBM ILOG CPLEX Optimizer solves integer programming problems, very large [3] linear programming problems using either primal or dual variants of the simplex method or the barrier interior point method, convex and non-convex quadratic programming problems, and convex quadratically constrained problems (solved via second-order cone programming, or SOCP).
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FICO was founded in 1956 as Fair, Isaac and Company by engineer William R. "Bill" Fair and mathematician Earl Judson Isaac. [6] The two met while working at the Stanford Research Institute in Menlo Park, California. [7] Selling its first credit scoring system two years after the company's creation, [8] FICO pitched its system to fifty American ...
Quark was founded with $2,000 in 1981 in Denver, Colorado, U.S. Between 1981 and 1985, their primary products were Word Juggler and Catalyst. [2] Word Juggler was the first word processor on the Apple III.
VantageScore was created in 2006 as a joint venture between the three major credit bureaus: Equifax, Experian, and TransUnion. The primary motivation behind its creation was to introduce a more consistent credit scoring model across all three bureaus, addressing inconsistencies that existed in earlier scoring systems.