How to stretch the cells of a matrix ?

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Alexandre Briclot
Alexandre Briclot 2017-10-21
回答： Pippa Williams 2020-2-11
Hello all, Let's say I have a 30*30 matrix and I want to display an image of the data in it, but I want the image to be for example 2 times longer than wide. I just want to "stretch" the cells in the x-direction. The ratio between the length and the width would be given by the ratio between Lx and Ly. I found nothing related to this using the image function in Matlab.
Thanks.

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采纳的回答

Jan
Jan 2017-10-21
编辑：Jan 2017-10-21
img = rand(30, 30, 3);
figure('Menubar', 'none', 'Toolbar', 'none');
axh = axes;
image(axh, img);
axh.DataAspectRatio = [1,2,1];

更多回答（1 个）

Pippa Williams
Pippa Williams 2020-2-11
Another (perhaps simpler) option if you have R2015a or later: repelem ("repeat elements") will also do.

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