ztdepztdep

great. Does AMGX has an example for this operations?

> Yes it's a nice pattern from the perspective of performance - you should be able to just upload a new b with AMGX_vector_upload and call AMGX_solver_solve_with_0_guess again. Essentially, if...

> Try to follow the steps that are done for the `d_b` vector in the example. In order to copy your values into vector handle you need to do `upload`:...

which API can resovle this goal. or I need to set the value during the insert process | | ***@***.*** | | ***@***.*** | ---- Replied Message ---- | From...

Thanks, I use 2d cartesian mesh, but in the spectral collocation method, the stencil is as large as the number of point in each direction. if my mesh is 20*20,...

> If A is positiv definite use the cholesky factorization (flens::lapack::potrf). Lapack documentation: http://www.netlib.org/lapack/explore-html/d1/d7a/group__double_p_ocomputational_ga2f55f604a6003d03b5cd4a0adcfb74d6.html > > If A is not positive definite use the Bunch-Kaufman diagonal pivoting method (flens::sy::trf). Lapack...

Thanks. If I solve Ax=b with the "lapack::sv(A, piv, b)" , is the solution time slower than the " flens::sy::trf" and "flens::sy::trs". I am working on a spectral multidomain code,...

I tired to compile the "lapack-potrs.cc", the compiler feedback the following error: `./flens/storage/array/arrayview.tcc:200:30: error: invalid use of member function ‘flens::ArrayView::IndexType flens::ArrayView::firstIndex() const [with T = double; I = flens::IndexOptions; A...

I compiled it in the KDevelop 4 with cmake, it gives me the above error. I still cann't make it work. I tried to compile it in the terminal wth...

> Thank you very much. But what if I want to use mpi to perform parallel computations. How to read in the coordinate in the mm file for each cpu.