Sökning: "weighted least-squares problems"

Visar resultat 11 - 15 av 17 avhandlingar innehållade orden weighted least-squares problems.

  1. 11. An adaptive finite element method for the compressible Euler equations

    Författare :Murtazo Nazarov; Johan Hoffman; Mats Larsson; KTH; []
    Nyckelord :;

    Sammanfattning : This work develops a stabilized finite element method for the compressible Euler equations and proves an a posteriori error estimate for the approximated solution. The equations are approximated by the cG(1)cG(1) finite element method with continuous piecewise linear functions in space and time. LÄS MER

  3. 12. Space-Time Parameter Estimation in Radar Array Processing

    Författare :Fredrik Athley; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This thesis is about estimating parameters using an array of spatially distributed sensors. The material is presented in the context of radar array processing, but the analysis could be of interest in a wide range of applications such as communications, sonar, radio astronomy, seismology, and medical diagnosis. LÄS MER

  4. 13. On performance analysis of subspace methods in system identification and sensor array processing

    Författare :Magnus Jansson; Bo Wahlberg; Mats Molander; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; subspace methods; system identification; state-space models; linear regression; sensor array processing; performance analysis; EM algorithm; minimum redundancy array;

    Sammanfattning : This thesis addresses the issue of performance analysis of subspace-based parameter estimation methods in two different applications, namely system identification and sensor array processing.  The objective is to study the quality of the estimated models as the amount of data increases, and to suggest improvements and give user guidelines. LÄS MER

  5. 14. Decomposing the Option Pricing Problem : Estimating the Causal Factors: Interest Rates, Dividends, and Risk-Neutral Probabilities

    Författare :Pontus Söderbäck; Jörgen Blomvall; Martin Singull; Stein-Erik Fleten; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : The financial markets have an essential role in society. Further, these markets are constantly evolving. Therefore, models and methods have to be developed and adapted to the new market conditions to be useful for decisions. LÄS MER

  7. 15. Numerical Algorithms for Mapping of Multiple Quantitative Trait Loci in Experimental Populations

    Författare :Kajsa Ljungberg; Sverker Holmgren; Örjan Carlborg; Margot Gerritsen; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Scientific computing; Beräkningsvetenskap; Scientific Computing;

    Sammanfattning : Most traits of medical or economic importance are quantitative, i.e. they can be measured on a continuous scale. Strong biological evidence indicates that quantitative traits are governed by a complex interplay between the environment and multiple quantitative trait loci, QTL, in the genome. LÄS MER