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can the spline fit the two dimensional field

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Old   February 18, 2006, 16:12
Default can the spline fit the two dimensional field
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i have a physical field which is defined at a two dimensional rectangular region, and i have the temperature value at the discrete point, i want to fit the temperature by a spline, so can spline do it?

which function of the IMSL library should i use !

i use the compaq visual fortran 6.5? regards
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Old   February 26, 2006, 16:41
Default Re: can the spline fit the two dimensional field
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for 2D use transfinite interpolation (TFI). this can be done with any interpolation function including splines.
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