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force line fit through origin [message #32439] Tue, 08 October 2002 19:43
bcohen is currently offline  bcohen
Messages: 15
Registered: January 1996
Junior Member
Hi,
I've got a set of xy data with uncorrelated errors in x and in y. I'm
using fitexy to fit a line through the data. I need to force the fit
to pass through the origin. I can kludge this by adding a data point
that is 0, 0 with 0 error in x and y, and this works when the errors
in the other points are large, but it doesn't work when they are
small. Anyone know a better way? Thanks!
Barbara
bcohen@hawaii.edu

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