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How to use a function

Assume there is a tiny object floating on the water surface because of the surface tension, then the water surface will be deformed obviously. So how can we use a function

*f[x,y,z]*to describe the shape of water surface when a tiny object is floating on it based on surface tension**ONLY**?Assume there is a tiny object floating on the water surface because of the surface tension, then the water surface will be deformed obviously. So how can we use a function

*f[x,y,z]*to describe the shape of water surface? (x,y,z) is a set of coordinate system of 3D space.#### Attachments

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