How to insert a disc and centered around the dot?

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Sara am 10 Feb. 2020
Kommentiert: Sara am 10 Feb. 2020
I have A = zeros(100,100) materix which I added a while pixel (dots) in this zeros materix randomly. I have also another disc materix as follows
disk = strel('disk', 10);
D = disk.Neighborhood;
what I want to do is insert the disc and centered around the pixel ( white pixel)

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Walter Roberson
Walter Roberson am 10 Feb. 2020
A(appropriate_row:appropriate_row+99, appropriate_column:appropriate_column+99) = ...
A(appropriate_row:appropriate_row+99, appropriate_column:appropriate_column+99) | D;
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Sara am 10 Feb. 2020
Thank you for your reply. I did fix this as you says. it should be less than the disc raduis which is 10 in my case.

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