DOC: fix computation.rst (#2567)
DOC: fix computation.rst (#2567)


jhamman/xarray,shoyer/xray,jhamman/xarray,pydata/xarray,markelg/xray,pydata/xarray,markelg/xray,shoyer/xarray,jhamman/xray,xray/xray,chunweiyuan/xarray,jhamman/xarray,shoyer/xarray,pydata/xarray,markelg/xray