# {py:mod}`physpyx.helper` ```{py:module} physpyx.helper ``` ```{autodoc2-docstring} physpyx.helper :allowtitles: ``` ## Module Contents ### Functions ````{list-table} :class: autosummary longtable :align: left * - {py:obj}`rotation_matrix ` - ```{autodoc2-docstring} physpyx.helper.rotation_matrix :summary: ``` * - {py:obj}`coord ` - ```{autodoc2-docstring} physpyx.helper.coord :summary: ``` ```` ### API ````{py:function} rotation_matrix(angle: float, deg: bool = True) -> numpy.typing.NDArray :canonical: physpyx.helper.rotation_matrix ```{autodoc2-docstring} physpyx.helper.rotation_matrix ``` ```` ````{py:function} coord(x: numpy.typing.NDArray) -> str :canonical: physpyx.helper.coord ```{autodoc2-docstring} physpyx.helper.coord ``` ````