Typo in solve arguments in Chapter 1
Affects  Status  Importance  Assigned to  Milestone  

 FEniCS Book Project 
Confirmed

Medium

Unassigned 
Bug Description
Reported by Fredrik Valdmanis:
=== modified file 'tex/1.tex'
 tex/1.tex 20111117 12:37:20 +0000
+++ tex/1.tex 20120210 13:09:41 +0000
@@ 671,7 +671,7 @@
LU factorization (ILU) is a popular and
robust allround preconditioner, so let us try the CGILU pair:
\begin{python}
solve(a == L, u, bc)
+solve(a == L, u, bc,
Changed in fenicsbook:  
status:  New → Confirmed 
importance:  Undecided → Medium 
Anders Logg (logg) wrote :  #2 
On Mon, Feb 13, 2012 at 07:57:56AM 0000, Garth Wells wrote:
> On 13 February 2012 07:46, Anders Logg <email address hidden> wrote:
> > Public bug reported:
> >
> > Reported by Fredrik Valdmanis:
> >
> > === modified file 'tex/1.tex'
> >  tex/1.tex 20111117 12:37:20 +0000
> > +++ tex/1.tex 20120210 13:09:41 +0000
> > @@ 671,7 +671,7 @@
> > LU factorization (ILU) is a popular and
> > robust allround preconditioner, so let us try the CGILU pair:
> > \begin{python}
> > solve(a == L, u, bc)
> > +solve(a == L, u, bc,
> > solver_
> > "preconditioner": "ilu"})
> >
>
> Will this work? Is there are guarantee that solve(a == L, bc) will
> use symmetric application of the bcs?
The solver will only do a symmetric application if the "symmetric"
parameter is set, so it should be
solve(a == L, u, bc,

Anders
On 13 February 2012 07:46, Anders Logg <email address hidden> wrote:parameters={"linear_solver": "cg",
> Public bug reported:
>
> Reported by Fredrik Valdmanis:
>
> === modified file 'tex/1.tex'
>  tex/1.tex 20111117 12:37:20 +0000
> +++ tex/1.tex 20120210 13:09:41 +0000
> @@ 671,7 +671,7 @@
> LU factorization (ILU) is a popular and
> robust allround preconditioner, so let us try the CGILU pair:
> \begin{python}
> solve(a == L, u, bc)
> +solve(a == L, u, bc,
> solver_
> "preconditioner": "ilu"})
>
Will this work? Is there are guarantee that solve(a == L, bc) will use
symmetric application of the bcs?
Garth
> ** Affects: fenicsbook/bugs.launchpad.net/bugs/931284 /bugs.launchpad.net/fenicsbook/+bug/931284/+subscriptions
> Importance: Medium
> Status: Confirmed
>
> ** Changed in: fenicsbook
> Status: New => Confirmed
>
> ** Changed in: fenicsbook
> Importance: Undecided => Medium
>
> 
> You received this bug notification because you are a member of FEniCS
> Book Editors, which is subscribed to FEniCS Book Project.
> https:/
>
> Title:
> Typo in solve arguments in Chapter 1
>
> To manage notifications about this bug go to:
> https:/