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stretching or compressing part of a matrix

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Mohammed Qahosh 2023-10-19

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https://ww2.mathworks.cn/matlabcentral/answers/2035829-stretching-or-compressing-part-of-a-matrix

评论： Stephen23 2023-10-19

Evsky.txt

I have 400 by 400 pixels data set as in the attached txt file. When plotting it, the final figure is having a trapezoidal shape.

Is it possible in matlab to stretch the lower part of the figure or to compress the uppper part to have a square final shape.

Thanks for help.

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Stephen23 2023-10-19

在 MATLAB Online 中打开

Evsky.txt

https://www.mathworks.com/help/images/image-registration-and-geometric-transformation.html

M = readmatrix('Evsky.txt');

imshow(M,[])

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