07-Jan-2022 21:53:48 imshow_numeric_test(): MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2 imshow_numeric() displays a numeric MxN array as a grayscale image. In the best case, the array contains integers between 0 (black) and 255 (white). imshow_numeric_test(): Normal end of execution. 07-Jan-2022 21:53:57