Hi there, could you be more precise: how did you try to solve your problem with Eigen? How do you know/check that the problem is not solved correctly ?
Best regards, Adrien Escande On Tue, Sep 8, 2020 at 12:55 AM ztdepyahoo <[email protected]> wrote: > > Dear sir: > The matrix is generated from the spectral method of a simple heat > diffusion problems, the dimension is 841. > Attachment please find the a and rhs output from Armadillo. > I am wandering why eigen's dense linear sover cann't solve it > correctly. > Regards > > > ztdepyahoo > [email protected] > > <https://maas.mail.163.com/dashi-web-extend/html/proSignature.html?ftlId=1&name=ztdepyahoo&uid=ztdepyahoo%40gmail.com&iconUrl=https%3A%2F%2Fmail-online.nosdn.127.net%2Fsmac21b248a56949de9f08898ddfa22c2b.jpg&items=%5B%22ztdepyahoo%40gmail.com%22%5D> > 签名由 网易邮箱大师 <https://mail.163.com/dashi/dlpro.html?from=mail81> 定制 >
