LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Undefined control sequence.
<argument> P_1 A P_1' = L_1 D L_1' \overset 
                                            {D_{jj} \ge 0}{=} L L'
l.1407 ...D L_1' \overset{D_{jj} \ge 0}{=} L L'}{}
                                                  
! Undefined control sequence.
<argument> A = P_1' L_1 D L_1' P_1 \overset 
                                            {D_{jj} \ge 0}{=} P_1' L L' P_1
l.1409 ...verset{D_{jj} \ge 0}{=} P_1' L L' P_1}{}
                                                  
! Undefined control sequence.
<argument> P_1 A P_1' = L_1 D L_1' \overset 
                                            {D_{jj} \ge 0}{=} L L'
l.2269 ...D L_1' \overset{D_{jj} \ge 0}{=} L L'}{}
                                                  
! Undefined control sequence.
<argument> A = P_1' L_1 D L_1' P_1 \overset 
                                            {D_{jj} \ge 0}{=} P_1' L L' P_1
l.2271 ...verset{D_{jj} \ge 0}{=} P_1' L L' P_1}{}
                                                  
! Undefined control sequence.
<argument> \lVert 
                  A - P' L L' P \rVert 
l.2394 ...P' L L' P \rVert}{\lVert A \rVert}\,.}{}
                                                  
! Undefined control sequence.
<argument> \lVert A - P' L L' P \rVert 
                                       
l.2394 ...P' L L' P \rVert}{\lVert A \rVert}\,.}{}
                                                  
! Undefined control sequence.
<argument> \lVert 
                  A \rVert 
l.2394 ...P' L L' P \rVert}{\lVert A \rVert}\,.}{}
                                                  
! Undefined control sequence.
<argument> \lVert A \rVert 
                           
l.2394 ...P' L L' P \rVert}{\lVert A \rVert}\,.}{}
                                                  
! Undefined control sequence.
<argument> m \times \text 
                          {min}(m,n)
l.3421 ...} is an \eqn{m \times \text{min}(m,n)}{}
                                                  
! Undefined control sequence.
<recently read> \text 
                      
l.3423 ...} is a  \eqn{\text{min}(m,n) \times n}{}
                                                  
! Undefined control sequence.
<argument> m \times \text 
                          {min}(m,n)
l.8363 ...} is an \eqn{m \times \text{min}(m,n)}{}
                                                  
! Undefined control sequence.
<recently read> \text 
                      
l.8365 ...} is a  \eqn{\text{min}(m,n) \times n}{}
                                                  
! LaTeX Error: Environment bmatrix undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: \begin{list} on input line 11058 ended by \end{bmatrix}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Environment bmatrix undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Misplaced alignment tab character &.
<argument> ...A P_2 = Q R = \begin {bmatrix} Q_1 &
                                                   Q_2 \end {bmatrix} \begin...
l.13074 ...ix} R_1 \\ 0 \end{bmatrix} = Q_1 R_1}{}
                                                  
! LaTeX Error: \begin{list} on input line 13069 ended by \end{bmatrix}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Environment bmatrix undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: \begin{list} on input line 13069 ended by \end{bmatrix}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Environment bmatrix undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Misplaced alignment tab character &.
<argument> ...R P_2' = P_1' \begin {bmatrix} Q_1 &
                                                   Q_2 \end {bmatrix} \begin...
l.13077 ...nd{bmatrix} P_2' = P_1' Q_1 R_1 P_2'}{}
                                                  
! LaTeX Error: \begin{list} on input line 13069 ended by \end{bmatrix}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Environment bmatrix undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: \begin{list} on input line 13069 ended by \end{bmatrix}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...