Function _unified_dims

xarray/core/variable.py:3012–3027

(variables)

def _unified_dims(variables):
    # validate dimensions
    all_dims = {}
    for var in variables:
        var_dims = var.dims
        _raise_if_any_duplicate_dimensions(var_dims, err_context="Broadcasting")

        for d, s in zip(var_dims, var.shape, strict=True):
            if d not in all_dims:
                all_dims[d] = s
            elif all_dims[d] != s:
                raise ValueError(
                    "operands cannot be broadcast together "
                    f"with mismatched lengths for dimension {d!r}: {(all_dims[d], s)}"
                )
    return all_dims


def _broadcast_compat_variables(*variables):