This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下，圆柱度误差评定的最小二乘数学模型。
This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下，圆柱度误差评定的最小二乘数学模型。
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