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Use fine-to-coarse interpolation operators in coarse grid flux discretization
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 06 Nov 2019 14:51:33 +0100
parents f6ada1719420
children
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function u = ifour(u_hat)
    u_hat = ifftshift(u_hat);
    u = ifft(u_hat);
end