Subversion Repositories wimsdev

!goto $wims_read_parm

:def
title=Solve linear system
synonyme=linear solve, system solve, solve system
input=equations
!exit

:proc

fml=!lines2items $formula
fml=!replace , by , $ in $fml
eqcnt=!itemcnt $fml
fml=!rawmath $fml
vars=!varlist $fml

result=!exec maxima print(linsolve([$fml],[$vars]));

result=!declosing $result
result=!replace , by , $ in $result
result=!trim $result
!if $result=$empty
 error=solve_fail
!endif

!exit

:output
Solution(s) of
!if $eqcnt>1
 {
 !htmlmath $fml
 }
!else
 !htmlmath $fml
!endif
 :
<p><center>
!insmath $result
</center> <p>
!if r1 isvarof $result
 Where r<sub>1</sub>, r<sub>2</sub>, ... are arbitrary parameters.
!endif

!exit