[petsc-users] Jacobian matrix

[Isaac, Tobin G]

Hi James,

Are you asking about the element Jacobians in DMPlex?  The reference
triangle is {(-1,-1), (1,-1), (-1,1)}.

On Mon, Dec 10, 2018 at 06:57:27AM +0800, 楊青晃 via petsc-users wrote:
> *Dear petsc ,*
> 
> *        I'm wondering what is the triangle that the Jacobian matrix
> transfer to?*
> *It seems that it is not a basic isosceles triangle.*
> 
> *Sincerely,*
> *James.*