A Method of Bivariate Interpolation and Smooth Surface Fitting for Values Given at Irregularly Distributed PointsU.S. Department of Commerce, Office of Telecommunications, 1975 - Government publications - 51 pages |
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Common terms and phrases
ADDITIONAL DATA POINTS ARRAY OF DIMENSION ARRAY STORING bivariate interpolation BORDER LINE SEGMENTS Cartesian coordinate system COMMON/IDNN/NNP CONTINUE IGM coordinate system coordinate transformation dimension NDP containing DIMENSION NDP STORING DIMENSION XD(10 DIVIDES THE X-Y equations in A-8 ESTIMATES PARTIAL DERIVATIVES Fortran GIVEN AT IRREGULARLY given data points GO TO 24 GO TO 90 h₂ IDNN COMMON IDSFFT INPUT PARAMETERS INTERPOLATED POINTS interpolated values interpolation and smooth IPL IL1T2 irregularly distributed points IWIPT method of bivariate NDPO NNPC NNPO NUMBER OF ADDITIONAL NUMBER OF DATA number of triangles Office of Telecommunications OLD XD-YD OUTPUT GRID POINTS OUTPUT PARAMETER POINT NUMBERS procedure proposed method resulting surface smooth surface fitting SUBROUTINE PERFORMS Telecommunications TRIANGLE NUMBER u-v system vertexes WK IWIPL x-y plane x-y system