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addmembers
2005 Mar 17
1
Optimization of constrained linear least-squares problem
Dear R-ians,
I want to perform an linear unmixing of image pixels in fractions of
pure endmembers. Therefore I need to perform a constrained linear
least-squares problem that looks like :
min || Cx - d || ? where sum(x) = 1.
I have a 3x3 matrix C, containing the values for endmembers and I have a
3x1 column vector d (for every pixel in the image). In theory my x
values should all be in the...