Hi I would like to Solve a linear system of equations, but I want to do it over a sub-matrix, actually over the matrix without the rows that belongs to the first an last mpi process(I have more than 2 mpi process) and without some of the first and last columns.
For instance if my square matrix have the following form, I would like to solve a system with the matrix H(the one full of X), this matrix would be also sparse. | | | | proc 0 | | | | ------------------------------ | |xxxxxxxxxxxxxxx| | proc 1 | |xxxxxxxxxxxxxxx| | --------------H--------------- | |xxxxxxxxxxxxxxx| |proc 2 | |xxxxxxxxxxxxxxx| | ------------------------------ | | | |proc 3 | | | | So is it possible to solve a system with this matrix without having to duplicate the data and move data, actually I could use just process 1 and 2 in order to solve the problem. Thanks
