R: y-axis rotation matrix

roty4 {GEOmap} | R Documentation

## y-axis rotation matrix

### Description

y-axis rotation matrix

### Usage

    roty4(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>

### References

Rogers and Adams

### See Also

rotx4, rotdelta4

### Examples

    v = c(12,13,-4)

    roty4(v)

[Package GEOmap version 2.4-0 Index]