HI friends.I have a question:what is the difference between imshow & imagesc in this code and why the time reduce??

Question

pouria farhadian 2018-5-1

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/398367-hi-friends-i-have-a-question-what-is-the-difference-between-imshow-imagesc-in-this-code-and-why-th

编辑： Guillaume 2018-5-1

clear all;
%  close all;
 clc 
tic
for n=1:100
    disp(n)
           for i=1:50
             for j=1:50
               matrix(5*i-4:5*i ,5*j-4:5*j)=rand;
%  matrix(10*i-9:10*i ,10*j-9:10*j)=rand;
%                  matrix(4*i-3:4*i ,4*j-3:4*j)=rand;
                end
            end
              imshow(matrix);
               imagesc(matrix);
  %               colormap(gray)
  %               colorbar
  %           matrix=100*floor(5*matrix);
  %           matrix=83*matrix;
          randmatrix{n}=matrix;
  %            matrix=randmat{n};
  %            imshow(matrix)
%           matrix=floor(4*matrix);
%           matrix=83*matrix;
%         randmatrix{n}=matrix;
end
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