annotate fourInv.m @ 1136:eee71789f13b feature/laplace_curvilinear_test

Add LaplaceCurvilinear schemes where the minimum check will be implemented. The Virta scheme will be used for comparison only.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 10 Jun 2019 10:43:12 +0200
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