| 摘要 |
PURPOSE:To draw a locus having high approximation accuracy with use of a small teaching points even with a complicated function, by calculating a locus which is traced by a working part within a control part in the form of a gathering of intersecting points of >=2 planes or curved surfaces. CONSTITUTION:A locus which is traced by a working part 1 is calculated within a control part 3 as a gathering of intersecting point of >=2 planes or curved surface. Thus it is possible to prescribe the gathering of intersecting points as a gathering of common answers of the prescribed equations showing those planes or curved surfaces. Then the equations showing the planes or curved surfaces are prescribed when maximum four teaching points are given for the locus. In such a way, a locus having high approximation accuracy is drawn even with a complicated function.
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