Subversion Repositories wimsdev

!goto $wims_read_parm

:def
title=Inverse matrix
synonyme=matrix inverse
input=square_matrix
!exit

:proc

result=!exec pari print([$mat]^-1)
result=!translate internal ; to $\
$ in $result
!exit

:output
!set pars=$[max(min($rows,10),1)]
<center>
<table border=0 cellpadding=2>
!for i=1 to $rows
 !set l=!line $i of $formula
 !set v=!line $i of $result
 <tr>
 !if $i=1
  <td nowrap rowspan=$rows>$(m_leftpar$pars)
 !endif
 !for j=1 to $cols
  !set k=!item $j of $l
  <td nowrap align=center>
  !htmlmath $k
 !next j
 !if $i=1
  <td nowrap rowspan=$rows>$(m_rightpar$pars)
  <td nowrap rowspan=$rows valign=top><sup>-1</sup>
  <td nowrap rowspan=$rows> = $(m_leftpar$pars)
 !endif
 !for j=1 to $cols
  !set k=!item $j of $v
  <td nowrap align=center>
  !htmlmath $k
 !next j
 !if $i=1
  <td nowrap rowspan=$rows>$(m_rightpar$pars)
 !endif
!next i

</table></center>
!exit