Circle of zeros within a circle of ones in a matrix

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wbenn7
wbenn7 2022-3-4
回答： Image Analyst 2022-3-4
I'm trying to add a filled circle of zeros within an already existing circle of ones in a matrix of zeros.
My current code for the circle of ones in a matrix of zeros:
[x,y] = meshgrid(1:500,1:500);
cir = sqrt((x-250.5).^2+(y-250.5).^2)<=250;

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回答（1 个）

Image Analyst
Image Analyst 2022-3-4
Code samples are in the FAQ. You will be able to easily modify them.
https://matlab.fandom.com/wiki/FAQ#How_do_I_create_a_circle.3F

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