• Predicting secondary surgery after operative fixation of olecranon fractures: a model using data from 800 patients 

      Midtgaard, Kaare Sourin; Frihagen, Frede; Dornan, Grant J.; Coucheron, Marius; Fossåen, Carina Lavransdatter; Grundel, Dag; Kristoffersen, Stian; Sundqvist, Erik; Wünsche, Leonore; Madsen, Jan Erik; Flugsrud, Gunnar B (Peer reviewed; Journal article, 2021)
      Background: High rates of secondary surgery after fixation of olecranon fractures have been reported. Identification of risk factors can aid surgeons to reduce complications leading to additional surgical procedures. ...
    • The Empirical Interpolation Method 

      Kristoffersen, Stian (Master thesis, 2013)
      In this thesis we look at the Empirical Interpolation Method (EIM) and how it can be used in different applications. We propose a new formulation of EIM to make it easier to perform analytical operations like differentiation ...