Browsing Journal Articles by Author "Chang Hooi Tuang, Lawrence"

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    • A choice of weights for convex combination methods in estimating partial derivatives 

      Yean, Sang Ooi; Chang Hooi Tuang, Lawrence; Ya, Ping Wong; Abd R Mt Piah (Institute of Electrical and Electronics Engineering (IEEE), 2004)
      Weights in convex combination methods are important parameters in the estimation of partial derivative values in three dimensional scattered data points. In this paper, we introduce the three angles of the base triangle ...

    • G1 scattered data interpolation with minimized sum of squares of principal curvatures 

      Azizan, Saaban; Abd R Mt Piah; Ahmad, Abdul Majid; Chang Hooi Tuang, Lawrence (Institute of Electrical and Electronics Engineering (IEEE), 2005-07)
      One of the main focus of scattered data interpolation is fitting a smooth surface to a set of non-uniformly distributed data points which extends to all positions in a prescribed domain. In this paper, given a set of ...