zero-out negative nap

Author: sedurCode

matlab/CARFAC_binaural.m

@@ -41,8 +41,8 @@
 for ear = 1:n_ears
   smooth_nap = nap_decim(:, :, ear);
   figure(ear + n_ears)  % Makes figures 3 and 4
-  image(63 * abs((smooth_nap)' .^ 0.5))
-
+  % Rectify since nap can go slightly negative.
+  image(63 * (max(0, smooth_nap)' .^ 0.5));
   colormap(1 - gray);
 end