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Geocentric ECEF to local Cartesian ENU

```
[xEast,yNorth,zUp]
= ecef2enu(X,Y,Z,lat0,lon0,h0,spheroid)
```

`[___] = ecef2enu(___,angleUnit)`

`[`

returns
coordinates in a local east-north-up (ENU) Cartesian system corresponding
to coordinates `xEast`

,`yNorth`

,`zUp`

]
= ecef2enu(`X`

,`Y`

,`Z`

,`lat0`

,`lon0`

,`h0`

,`spheroid`

)`X`

, `Y`

, `Z`

in
an Earth-Centered Earth-Fixed (ECEF) spheroid-centric Cartesian system.
Any of the first six numeric input arguments can be scalar, even when
the others are nonscalar; but all nonscalar numeric arguments must
match in size.

`ecef2aer`

| `ecef2ned`

| `enu2ecef`

| `geodetic2enu`

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