最小二乘法的曲线拟合检测圆软件,只需点击三个点就可以吧圆拟合出来。-Least squares method of curve fitting software Detect circle, simply click on the three-point circle fitting can let out.

关于矩阵运算的有关内容，用于检测圆球等物体的圆度，检测半径等-Matrix operations on the contents, for the detection of objects such as the roundness of the ball, detection radius