What's the cubic interpolation in multigrid method? -- CFD Online Discussion Forums

September 25, 2009, 06:00	What's the cubic interpolation in multigrid method?	#1
hadesmajesty Member Edison Join Date: Mar 2009 Posts: 40 Rep Power: 17	What's the cubic interpolation in multigrid method? Is it the same thing as cubic spline interpolation? I have found many books, but they just give a one dimensional formula and the explanations are unclear. My grid is two dimensional. Then, what's the cubic interpolation? Thank you.

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