Re: [petsc-users] turn off the snes linesearch

2016-08-03 Thread Matthew Knepley
On Wed, Aug 3, 2016 at 4:39 PM, Xiangdong wrote: > Hello everyone, > > If I want to turn off the line search and always use the full newton step, > does the option "-snes_linesearch_type basic" guarantee this? In my case, I > found that even with that option, it still try to do function evaluatio

[petsc-users] turn off the snes linesearch

2016-08-03 Thread Xiangdong
Hello everyone, If I want to turn off the line search and always use the full newton step, does the option "-snes_linesearch_type basic" guarantee this? In my case, I found that even with that option, it still try to do function evaluation at a point different from the exact newton step. Any sugg