R2xyz()

Find the three rotation angles about new axes in the xyz order from a rotation matrix 
R2zyx()

Find the three angles about new axes in the zyx order from a rotation matrix 
R_EL2n_E()

Find nvector from the rotation matrix (direction cosine matrix) R_EL 
R_EN2n_E()

Find nvector from R_E 
R_Ee()

Select the axes of the coordinate frame E 
lat_lon2n_E()

Convert (geodetic) latitude and longitude to nvector 
n_E2R_EN()

Find the rotation matrix R_EN from nvector 
n_E2lat_lon()

Convert nvector to latitude and longitude 
n_EA_E_and_n_EB_E2p_AB_E()

Find the delta position from two positions A and B 
n_EA_E_and_p_AB_E2n_EB_E()

Find position B from position A and delta 
n_EB_E2p_EB_E()

Convert nvector to cartesian position vector in meters 
n_E_and_wa2R_EL()

Find R_EL from nvector and wander azimuth angle 
nvctr

nvctr: nonsingular geographical position calculations 
p_EB_E2n_EB_E()

Convert cartesian position vector in meters to nvector 
xyz2R()

Create a rotation matrix from 3 angles about new axes in the xyz order. 
zyx2R()

Create a rotation matrix from 3 angles about new axes in the zyx order. 