xarray.polyval# xarray.polyval(coord, coeffs, degree_dim='degree')[source]# Evaluate a polynomial at specific values Parameters: coord (DataArray or Dataset) β Values at which to evaluate the polynomial. coeffs (DataArray or Dataset) β Coefficients of the polynomial. degree_dim (Hashable, default: "degree") β Name of the polynomial degree dimension in coeffs. Returns: DataArray or Dataset β Evaluated polynomial. See also xarray.DataArray.polyfit, numpy.polynomial.polynomial.polyval