AdvOL Student Seminars and Defences
Asma Paracha, December 12, 2017, 15:30-16:00, ITB 201
Speaker:   Asma Paracha

Title:  Lyndon factors and periodicities in strings
 
AdvOL Optimization Seminars
Alexander Rosa, December 12, 2017, 16:30-17:30, ITB 201
Speaker:   Alexander Rosa
Department of Mathematics & Statistics
McMaster University

Title:  Reaction graphs of combinatorial configurations
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Fields Institute Industrial Optimization Seminar, November 14, 2017
Speakers:   Christopher Swartz (McMaster University)
Jesus Flores-Carrillo (Praxair)

On the first Tuesday of each month, the Industrial Optimization Seminar is held at the Fields Institute. See the seminar series website for further information.
 
Home arrow Seminars arrow Invited seminars arrow Sanzheng Qiao, January 20, 2015, 16:30-17:30, ITB 201
Friday, 24 November 2017
 
 
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Sanzheng Qiao, January 20, 2015, 16:30-17:30, ITB 201
Speaker:   Sanzheng Qiao
Department of Computing and Software
Faculty of Engineering
McMaster University

Title:   Structured condition numbers for symmetric algebraic Riccati equations

Algebraic Riccati equations arise in optimal control problems in continuous and discrete time. With multiple state variables and multiple control variables, the Riccati equations are linear-quadratic matrix equations. Perturbation analysis reveals the sensitivity of the solution to the input data. Condition number is a measurement of the sensitivity, that can be used to estimate the error in the computed solution. Assuming the structure of the perturbation is the same as that of the data, we present a structured perturbation analysis of the continuous and discrete symmetric algebraic Riccati equations. We define and derive structured normwise, mixed, and componentwise condition numbers for symmetric algebraic Riccati matrix equations using the Kronecker product. Also, we give an efficient and practical condition number estimation method by applying the small sample condition estimation method.
 
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