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# How to plot a rectangular in MATLAB

user1065
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user1065 Published in April 26, 2018, 7:53 am
 It is necessary for me that plot a rectangular in MATLAB by contour. But when I plot this, the figure is like square and no rectangular. In fact the length of X axis and Y axis are true, but figure is not rectangular. How could I find a rectangular figure? Once before I needed to plot a n eliptical by countour and it was like circle, by setting axes([xmin xmax ymin ymax]) this problem was solved but know this command do not work. Here is my code u0,x,y are 3 vectors of length nx*ny. and nx and ny are the number of points in x axis and y axis. figure for i=1:ny z(i,:)=u0((i-1)*nx+1:i*nx); x1(i,:)=x((i-1)*nx+1:i*nx); y1(i,:)=y((i-1)*nx+1:i*nx); end; cMap = [0.45 0.6 0.65;1 1 1]; % [green;yellow] on rgb-color colormap(cMap); axis equal contourf(x1,y1,z,'LineColor','none') colorbar  Let 's=0:0.1:0.2' and 'x=repmat(s,1,ny)' and 'd=0:0.1:1', 'y=repmat(d,1,nx)' 'u0=x+y'
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