File: ContrastToExcitation.m

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psychtoolbox-3 3.0.9%2Bsvn2579.dfsg1-1
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function excitation = ContrastToExcitation(contrast,reference)
% excitation = ContrastToExcitation(contrast,reference)
%
% Convert contrast to excitation coordinates.
%
% 4/5/02  dhb, ly  Wrote it.

[m,n] = size(contrast);
excitation = (contrast .* reference(:,ones(1,n))) + reference(:,ones(1,n));