bug fix

functions/fresnelPropagation/fresnelPropagate.m

@@ -134,7 +134,7 @@ end
 
 % Automatically choose suitable padded size if required
 if strcmpi(settings.sizePad, 'auto')
-    settings.sizePad = sizeIn + 2*ceil(0.5./abs(fresnelNumbers(:).'));
+    settings.sizePad = sizeIn + max(2*ceil(0.5./abs(fresnelNumbers.')), [], 1);
     settings.sizePad = max(settings.sizePad, settings.sizeOut);
 
     % For convolution-based methods, padded size need not be greater