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Interpolate 2D on irregular grid

• To: mathgroup at smc.vnet.net
• Subject: [mg125642] Interpolate 2D on irregular grid
• From: ezh <dgolber at aol.com>
• Date: Sat, 24 Mar 2012 02:03:18 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

I have data

d={{x1,y1,f1},{x2,y2,f2},...}

The {xi, yi} are NOT on a regular grid, and Interpolation[d} returns
an error message.

I have an old version of Mathematica.  Is Interpolation improved in a
newer version?  Or can anyone point me to a package which handles this
case?

Thank you
David Golber

• Follow-Ups:
  • Re: Interpolate 2D on irregular grid
    • From: Ingolf Dahl <ingolf.dahl@telia.com>