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How to get an approximation of a two parameter equation

thread575-99642

How to get an approximation of a two parameter equation

How to get an approximation of a two parameter equation

(OP)
Hello,
I managed gaining a sample of data for which I'd like
to calculate an approximate equation.  My data depends on
two seperate factor.

I've seen functions such as spline and polyfit, but they only
work on One parameter functions.  Is there a way with
matlab to approximate functions with two parameters ?

something like spline3d who could give an approximate patch of the function !!??

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