R: x-axis rotation matrix

rotx4 {GEOmap} | R Documentation

## x-axis rotation matrix

### Description

x-axis rotation matrix

### Usage

    rotx4(vec)

### Arguments

`vec` | vector of direction cosines

### Details

Length of vector cannot be zero.

### Value

Matrix for rotation

### Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

### See Also

roty4, rotdelta4

### Examples

    v = c(12,13,-4)

    rotx4(v)

[Package GEOmap version 2.4-0 Index]