Deprecate ptp method on DataArray and Dataset #935
Description
np.ptp is deprecated since NumPy 2.0 and xarray has no equivalent. Deprecate DataArray.ptp() and Dataset.ptp() — users can use .max() - .min() instead.
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np.ptp is deprecated since NumPy 2.0 and xarray has no equivalent. Deprecate DataArray.ptp() and Dataset.ptp() — users can use .max() - .min() instead.