Midpoint 指令
来自GeoGebra Manual
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- Midpoint( <线段> )
- Returns the midpoint of the segment.
- 范例: Let
s = Segment((1, 1), (1, 5))
.Midpoint(s)
yields (1, 3). - Midpoint( <圆锥曲线> )
- Returns the center of the conic.
- 范例:
Midpoin(x^2 + y^2 = 4)
yields (0, 0). - Midpoint( <区间> )
- Returns the midpoint of the interval (as number).
- 范例:
Midpoint(2 < x < 4)
yields 3. - Midpoint( <点>, <点> )
- Returns the midpoint of two points.
- 范例:
Midpoint((1, 1), (5, 1))
yields (3, 1). - Midpoint( <二次曲面> )
- Returns the midpoint of the given quadric (e.g. sphere, cone, etc.)
- 范例:
Midpoint(x^2 + y^2 + z^2 = 1)
yields (0, 0, 0).
备注: See also Midpoint or Center tool.