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| 2d_interpolation http://forum.alglib.net/viewtopic.php?f=2&t=505 |
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| Author: | StroniXs [ Mon Dec 19, 2011 7:55 pm ] |
| Post subject: | 2d_interpolation |
Hi, first of all sorry for bad English.. Recently I've face with problem to interpolate the 2 dimensional data, but they are in the different recording than they need for spline2dbuildbicubic() and spline2dbuildbilinear() methods. For example, I know the spline absciss array[0..N-1] (temperature ADC values) and function value array[0..M-1,0..N-1] (a dependence the ADC pressure values from the temperature). The spline ordinates array[0..M-1] (just the physical values of pressure) is a required for. I can get the spline interpolant by spline2dbuildbicubic(), but then how can I calculate the ordinate value? Are there more methods to solve this problems? TIA |
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