Re: [petsc-users] Does Petsc support matrix diagonalization

2016-09-19 Thread Hong
丁老师: > Dear friends: > I want to diagonalize matrix D: > D=PAP^(-1). > where A is the diagonal matrix , P is the transformation matrix. > Does Petsc has this routine to perform this task. > This is an eigenvalu/singular value decomposition of D. For dense D, you

Re: [petsc-users] Does Petsc support matrix diagonalization

2016-09-19 Thread Matthew Knepley
On Mon, Sep 19, 2016 at 7:15 AM, 丁老师 wrote: > Dear friends: > I want to diagonalize matrix D: > D=PAP^(-1). > where A is the diagonal matrix , P is the transformation matrix. > Does Petsc has this routine to perform this task. > No, you should

[petsc-users] Does Petsc support matrix diagonalization

2016-09-19 Thread 丁老师
Dear friends: I want to diagonalize matrix D: D=PAP^(-1). where A is the diagonal matrix , P is the transformation matrix. Does Petsc has this routine to perform this task. Regards