view fourInv.m @ 1131:ea225a4659fe feature/laplace_curvilinear_test

Add 2d tests for derivative of delta function, and confirm that they work.
author Martin Almquist <malmquist@stanford.edu>
date Wed, 22 May 2019 15:31:26 -0700
parents f6ada1719420
children
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function u = ifour(u_hat)
    u_hat = ifftshift(u_hat);
    u = ifft(u_hat);
end