annotate fourInv.m @ 664:8e6dfd22fc59 feature/poroelastic

Free BC now yields symmetric negative semidefinite discretization.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 15 Dec 2017 16:23:10 -0800
parents f6ada1719420
children
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f6ada1719420 Add functions for calculating fourier transforms
Jonatan Werpers <jonatan@werpers.com>
parents:
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1 function u = ifour(u_hat)
f6ada1719420 Add functions for calculating fourier transforms
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
2 u_hat = ifftshift(u_hat);
f6ada1719420 Add functions for calculating fourier transforms
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3 u = ifft(u_hat);
f6ada1719420 Add functions for calculating fourier transforms
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
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