# Two dimensional cubic spline interpolation

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 October 29, 2007, 12:17 Two dimensional cubic spline interpolation #1 flappingwing2008 Guest   Posts: n/a Dear all: I want to interpolate a given function f(x,y) on a two dimensional grid. I have the values of funtion on grid points. I want to interpolate the value of funtion, its fist derivative w.r.t x and y, its second drivative w.r.t. x and y, and mixed derivative at a known point in the grid. Is there any good reference or test code?Please help me. thanks you!

 October 29, 2007, 12:33 Re: Two dimensional cubic spline interpolation #2 Harish Guest   Posts: n/a

 October 30, 2007, 13:53 Re: Two dimensional cubic spline interpolation #3 flappingwing2008 Guest   Posts: n/a i can't find the code in that web! anybody else can help me?

 November 12, 2007, 11:14 Re: Two dimensional cubic spline interpolation #4 margarita Guest   Posts: n/a Hi, I have used Matlab cubis spline interpolation. It's work well. Margarita.

 November 19, 2007, 06:52 Re: Two dimensional cubic spline interpolation #5 Gerrit Guest   Posts: n/a I don't happen to be up to date anymore, but maybe you can find something at: http://www.nr.com/ Or on the free online part: http://www.nrbook.com/a/bookfpdf/f3-6.pdf It's good old Fortran 77 and includes a short explanation about how stuff works.

 December 22, 2016, 22:55 Interpolating splines in 3D space #6 Member   iman Join Date: Jun 2015 Posts: 30 Rep Power: 4 Hello every one I want to interpolate a given points(x,y,z) on a three dimensional grid by fortran or C++. Can anyone point to me about the interpolating splines in 3D space coding procedure by FORTRAN or C++. Thanks

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