使用lm算法对二维圆数据进行拟和，其中test_circle用于生成测试数据 fit2dcircle用于拟和 document.doc对算法原理进行详细说明 程序使用bcc5.60编译通过

Packet : lm_2dcircle.zip filelist
test_circle.obj
fit2dcircle.exe
fit2dcircle.obj
fit2dcircle.tds
fitting.h
my_circle.asc
test_circle.c
test_circle.exe
fit2dcircle.c
test_circle.tds
document.doc

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