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function X = conformalForward2(U, ~) % conformalForward2 Forward transformation with negative square root. % % Supports conformal transformation example, ConformalMappingImageExample.m % ("Exploring a Conformal Mapping"). % Copyright 2005-2013 The MathWorks, Inc. W = complex(U(:,1),U(:,2)); Z = W - sqrt(W.^2 - 1); X(:,2) = imag(Z); X(:,1) = real(Z);