Donald W. Marquardt (1929-1997) is the founder of the Levenberg-Marquardt nonlinear least squares fitting algorithm. The Levenberg-Marquardt algorithm provides a numerical solution to the mathematical problem of minimizing a sum of squares of several, generally nonlinear functions that depend on a common set of parameters. ...
Donald joined DuPont in 1953 and worked for 39 years. In 1963 he published his famous paper "algorithm for least-squares estimation of nonlinear problems" in SIAM journal. Donald developed his algorithm to solve fitting nonlinear chemical models to laboratory data. He also founded and managed the DuPont Quality Management & Technology Center. This article is about the DuPont company. ... For the country formerly called Siam see Thailand SIAM is an acronym for Society for Industrial and Applied Mathematics. ...
In 1991, he established his own company, Donald W. Marquardt and Associates, which provides consulting and training in quality management, quality assurance, ISO 9000 standards, applied statistics, strategic planning and organizational change. The American Statistical Association (ASA) is a scientific and educational society in the United States with the stated mission to promote excellence in the application of statistical science across the wealth of human endeavor. ... ISO 9001 certification of a fish wholesaler at the Tsukiji fish market The widely accepted ISO 9000 series of standards specifies requirements for a Quality Management System. ... American Society for Quality (ASQ), formerly known as American Society for Quality Control (ASQC), is a non-profit professional society comprised of almost 100,000 members who work in various aspects of the quality field (e. ... The Shewhart Medal, named in honour of Walter A. Shewhart, is awarded annually by the American Society for Quality for . ... The American Statistical Association (ASA) is a scientific and educational society in the United States with the stated mission to promote excellence in the application of statistical science across the wealth of human endeavor. ... The American Statistical Association (ASA) is a scientific and educational society in the United States with the stated mission to promote excellence in the application of statistical science across the wealth of human endeavor. ... The American National Standards Institute (ANSI) is a nonprofit organization that oversees the development of standards for products, services, processes and systems in the United States. ...
He died on 5 July 1997 from heart attack. He was 68 years old.
DonaldMarquardt, a 50-year jubilarian, is always ready with a joke.
Marquardt had for the associates at the school along with the vocation of his cousin, Fr.
Marquardt is "the privilege of bringing the Lord to other people." With a smile on his face, he explained, "It meant a lot to know the needs, aches and pains of people, and to become an important part of their lives by offering prayers for their well being.
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