function threshold = FindThreshWeibTAFC(pCorrect,alpha,beta) % threshold = FindThreshWeibTAFC(pCorrect,alpha,beta) % % Invert Weibull function to find threshold for given pcorrect, % alpha, and beta. % % This function should invert ComputeWeibTAFC(). % % 8/25/94 dhb, ccc New name, fixed comments if (pCorrect <= 0.0 || pCorrect > 1.0) error('pCorrect is out of bounds'); end threshold = alpha .* ( -1.0*log(2.0 .* (1.0-pCorrect))) .^(1.0./beta);