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plot the region represented by 'ABS (x) + abs (y)≤1'

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军 川
军 川 2022-4-14
评论： 军 川 2022-4-14
I know the picture of this inequality, but he has x and y as variables. How do I plot it

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Chunru
Chunru 2022-4-14
Ran in:
If you don't want to derive the boundary of the surface, you can do the following:
[xx, yy] = meshgrid(linspace(-2, 2), linspace(-2,2));
zz = ones(size(xx));
zz( (abs(xx) + abs(yy)) > 1) = nan;
surf(xx, yy, zz, 'EdgeColor', 'none'); view(0, 90); axis equal
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军 川
军 川 2022-4-14
Thank you.I've been experimenting with a two-dimensional approach, and I didn't realize that the three-dimensional representation worked so well.

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