annotate fourInv.m @ 1269:5fa2f62a58a1 feature/poroelastic

Add class for upwind D1 based on the standard norm matrices
author Martin Almquist <malmquist@stanford.edu>
date Sun, 31 May 2020 20:16:54 -0700
parents f6ada1719420
children
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f6ada1719420 Add functions for calculating fourier transforms
Jonatan Werpers <jonatan@werpers.com>
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1 function u = ifour(u_hat)
f6ada1719420 Add functions for calculating fourier transforms
Jonatan Werpers <jonatan@werpers.com>
parents:
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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
4 end