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# select a rectangle from an frame [l r t b ] = select(iFrame); # import data from a data file info = importdata('info.txt') # Read image to a Cell struct for i = 1:N F{i} = imread(img_i); end # Create an struct/class st = struct('name','lp','id',7,'age',22); # use a figure show image figure(1),imshow(iFrame); # Draw 3D map // use mesh() and surf() x=-4:0.1:4 y=-5:0.1:5 m = repmat(x,size(x),1); n = repmat(y,size(y),1); z = sqrt(m.^2 + n.^2)+eps; z = sin(z)./z; mesh(x,y,z); surf(x,y,z); # plot several figure in one picture subplot(m,n,i); imshow(img_i); # # # # # # # # # # # # # # # # # # # # # # # # # #
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