 # Spatial Field

Spatial Field:

A spatial field is a function of spatial variables , or in 3D cases.

A spatial field is named a “scalar field” if the function takes on scalar values. For example, the concentration of a toxic substance in the soil at points with coordinates is a scalar field.

A spatial field is named a “vector field” if the function takes on vector values. For example, the vector of the velocity of wind at points with spatial 3D coordinates is a vector field.

Real measurements are normally made in a discrete set of points. Therefore, interpolation and approximation is often used to obtain a spatial field from a discrete set of measurements performed at a finite set of spatial points .

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