A multivariant interpolation routine for a random distribution of data points

Abstract We have developed a multivariant interpolation program which interpolates and calculates the derivatives of any function defined on a set of points randomly distributed in a three-dimensional space. Based on the Taylor expansion, the interpolation problem is transformed to find a solution of a linear equation. It is demonstrated that there is no restriction required on the data structure in the present routine and that an ill-condition problem is removed from the process when solving the line... Title of program: INTRP3 Catalogue Id: ACHJ_v1_0 Nature of problem Interpolates and calculates the derivatives of any function defined on a set of points randomly distributed in a three dimensional space. Versions of this program held in the CPC repository in Mendeley Data ACHJ_v1_0; INTRP3; 10.1016/0010-4655(92)90201-9 This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)