On Apr 28, 2014, at 7:39 PM, Abhyankar, Shrirang G. <abhy...@mcs.anl.gov> wrote:
> Zero out the sixth row, set A[5][5]= 1.0 and b[5]=3.14. You can use, for example, MatZeroRows() to zero that row if you have already assembled the matrix. Barry > > On Apr 28, 2014, at 7:00 PM, "丁老师" <ztdepya...@163.com> wrote: > >> Dear group: >> I have assembled the coefficients of A and b. My computation alogrithm >> need to specify a component of x to be a constant value. for example >> x[5]=3.14; >> then how to resolve this problem. >> Regards >> >>