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how to get the correct size of an image

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S N RAY
S N RAY 2012-7-25
关闭： MATLAB Answer Bot 2021-8-20
I have a data array 100 rows and 2000 columns. When I pick only 30 rows and 400 columns from the given array and plot with pcolor(filename);shading interp the resulting picture gives an impression of a stretched image.I think the default size of the plot window is the problem. I need help for understanding the problem so that I can plot the section with clear resolution.

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Sriram
Sriram 2012-7-25
To plot with the clear resolution check for axis scaling and appearence
http://www.mathworks.in/help/techdoc/ref/axis.html
pcolor() %pcolor(your array of cells)
axis equal tight
This would solve you and I hope there is no problem with plot window.

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