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I am wondering if it is possible to establish a relationship between three sets of points (x,y,z) by interpolating.

Basically i need a function that takes x and y and gives me a z that matches the following points:

130 472 5

130 590 6

130 738 7.5

130 944 10

155 563 5

155 704 6

155 880 7.5

155 1126 10

180 654 5

180 817 6

180 1022 7.5

180 1308 10

205 745 5

205 931 6

205 1163 7.5

205 1489 10

240 872 5

240 1472 8

I want the middle column to be yielded by the equation when the outer columns are fed into it.. ex (first point): f(130,5) = 472

is this possible? if so, are there any calculators that you recommend or methods that don't require very complex math? (I only know calculus).

thanks!!!

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# Multivariable interpolation

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