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3d data fit

asked 2015-05-11 21:58:00 +0100

mkr gravatar image

updated 2015-05-12 01:13:35 +0100

How to fit 3d data of two variables.

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answered 2015-05-12 14:23:24 +0100

calc314 gravatar image

One option is to use find_fit.

Here is some sample code.

# example data
f(x,y) = x^2+y^2
data=[]
for i in range(0,10):
    for j in range(0,10):
        data.append([i,j,f(i,j)])

# do the fitting
var('a b c')
model(x,y)=a*x^2+b*x*y+c*y^2
find_fit(data,model)
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Thank you.

mkr gravatar imagemkr ( 2015-05-12 16:34:25 +0100 )edit

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Asked: 2015-05-11 21:58:00 +0100

Seen: 609 times

Last updated: May 12 '15