magali.gradients

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magali.gradients#

magali.gradients(data)[source]#

Compute first-order spatial derivatives in the x, y, and z directions.

Parameters:

data (xr.DataArray) – Input data array with coordinates “x” and “y”.

Returns:

  • dx (xr.DataArray) – First derivative along the x-direction.

  • dy (xr.DataArray) – First derivative along the y-direction.

  • dz (xr.DataArray) – First derivative along the z-direction.

Notes

The vertical derivative is estimated using the difference between an upward-continued and a downward-continued version of the data. This avoids downward continuation, which can amplify noise.

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