view fourInv.m @ 851:ab2e5a24ddde feature/burgers1d

- Fix bug when constructing closure for narrow stencils - Update the residual outside of the RK time steps. At least for the inner convergence rate, updating the residual inside does not seem to be required.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 21 Sep 2018 15:33:15 +0200
parents f6ada1719420
children
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function u = ifour(u_hat)
    u_hat = ifftshift(u_hat);
    u = ifft(u_hat);
end