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Add comment in butcherTableau about rk4-3/8 being irreducible.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 26 Nov 2018 16:08:54 -0800
parents f6ada1719420
children
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function u = ifour(u_hat)
    u_hat = ifftshift(u_hat);
    u = ifft(u_hat);
end