OsculatingCircle 命令
- OsculatingCircle( <Point>, <Function> )
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返回函数在给定点的密切圆。
OsculatingCircle((0, 0), x^2)
返回
x² + y² - y = 0
.
- OsculatingCircle( <Point>, <Curve> )
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返回曲线在给定点的密切圆。
OsculatingCircle((1, 0), Curve(cos(t), sin(2t), t, 0, 2π))
返回
x² + y² + 6x = 7
.
- OsculatingCircle( <Point>, <Object> )
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返回对象（函数、曲线、圆锥曲线）在给定点的密切圆。
-
OsculatingCircle((0, 0), x^2)返回 x² + y² - y = 0 -
OsculatingCircle((1, 0), Curve(cos(t), sin(2t), t, 0, 2π))返回 x² + y² + 6x = 7 -
OsculatingCircle((-1, 0), Conic({1, 1, 1, 2, 2, 3}))返回 x² + y² + 2x + 1y = -1
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