[petsc-users] confusion about MatSetValues(A, ,ADD_VALUES);

2013-05-31 Thread 丁老师
I write a simple c procedure to test the MatSetValues. the main body of procedure is like this int row=1; int col=10; double v=1.0; MatSetValues(A,1,row,1,col,v,INSERT_VALUES); MatSetValues(A,1,row,1,row,v,ADD_VALUES);

Re: [petsc-users] confusion about MatSetValues(A, ,ADD_VALUES);

2013-05-31 Thread Jed Brown
丁老师 ztdepya...@163.com writes: I write a simple c procedure to test the MatSetValues. the main body of procedure is like this int row=1; int col=10; double v=1.0; MatSetValues(A,1,row,1,col,v,INSERT_VALUES);

Re: [petsc-users] confusion about MatSetValues(A, ,ADD_VALUES);

2013-05-31 Thread Satish Balay
On Fri, 31 May 2013, Jed Brown wrote: 丁老师 ztdepya...@163.com writes: I write a simple c procedure to test the MatSetValues. the main body of procedure is like this int row=1; int col=10; double v=1.0;

Re: [petsc-users] confusion about MatSetValues(A, ,ADD_VALUES);

2013-05-31 Thread 丁老师
in the user manual, it taks about the MAT_FLUSH_ASSEMbLY, and MAT_FINAL_ASSEMBLY, how to use the MAT_FLUSH_ASSEMBLY, if i want to mix the add value and insert value. 在 2013-06-01 00:30:45,Jed Brown jedbr...@mcs.anl.gov 写道: 丁老师 ztdepya...@163.com writes: I write a simple c

Re: [petsc-users] confusion about MatSetValues(A, ,ADD_VALUES);

2013-05-31 Thread Jed Brown
丁老师 ztdepya...@163.com writes: in the user manual, it taks about the MAT_FLUSH_ASSEMbLY, and MAT_FINAL_ASSEMBLY, how to use the MAT_FLUSH_ASSEMBLY, if i want to mix the add value and insert value. Was something unclear in Satish's mail from 8 hours ago?