Judith D. Gardiner

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A software package has been developed to solve efficiently the Sylvester-type matrix equation <italic>AXB<supscrpt>T</supscrpt></italic> + <italic>CXD<supscrpt>T</supscrpt></italic> = <italic>E</italic>. A transformation method is used which employs the QZ algorithm to structure the equation in such a way that it can be solved columnwise by a back(More)
This paper documents a software package for solving the Sylvester matrix equation (1) <italic>AXB<supscrpt>T</supscrpt></italic> + <italic>CXD<supscrpt>T</supscrpt></italic> = <italic>e</italic> All quantities are real matrices; <italic>A</italic> and <italic>C</italic> are <italic>m</italic> x <italic>n</italic>; <italic>B</italic> and(More)
AIM To develop and test a practical visual function assessment for use in developing countries. METHODS Using focus group discussions and interviews with eyecare workers and low vision specialists in Malawi, 13 questions related to visual characteristics of activities of daily living were designed. Patients presenting to an eye clinic were recruited and(More)
• Energy surety and microgrids o Lead Design Engineer for the DOE/DoD SPIDERS microgrid project (2010-present) o Microgrid design for military facilities (2008-present) • Cyber security of automation and control systems in electric power o Threat analysis for infrastructure systems (2004-present) o Cyber security modeling and design for automation and(More)
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