| 摘要 |
A two dimensional curve f(x, y)= 0 to be followed up or reproduced is replaced with at least one straight line segment and/or circular arc. Supplied with the data defining the kind of the replacement and the sense of followup and representing the coordinates of the start and end points of the followup the interpolator discriminates the minimum of those absolute values of f(x, y) wherein the coordinates of the possible next followup points are substituted for the variables. The interpolator, thus, determines the coordinates of the next succeeding followup point.
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