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geom3d[TangentPlane] - find the tangent plane of a point on a sphere
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Calling Sequence
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TangentPlane(p, A, s)
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Parameters
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p
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name
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A
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point
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s
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sphere
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Description
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Let A be a point on the sphere s, the routine returns the tangent plane p of s at A.
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For more details on the tangent plane, use detail.
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The command with(geom3d,TangentPlane) allows the use of the abbreviated form of this command.
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Examples
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Define a sphere center (0,0,1), radius 1
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![sphere(s, [point(o, 0, 0, 1), 1])](/support/helpjp/helpview.aspx?si=5946/file03994/math89.png)
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Let A be the south pole of s. Find the tangent plane at A
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Warning, assuming that the names of the axes are _x, _y and _z
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| (4) |
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