“lsa-poly” is a polynomial least square fitting tool. e.g.: lsa-poly -f data.dat -x 1 -y 2 -n “-7 -2 0 4” -oe will fit column 2 with column 1 of data.dat, and the fitting function consists of x^-7. x^-2, x^0 and x^4 terms.

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The source code is compressed with two precompiled binaries, the MacOS X 10.9 and Ubuntu 11 on Linux 3.0.0.14 (64 bit).