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Create a Slanted Linspace Matrix

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Hugo Fortescue
Hugo Fortescue on 20 Jan 2021
Answered: Stephen on 20 Jan 2021
Hi All, I am trying to generate noise in an image, and need a matrix of the form:
1 2 3 4
2 3 4 5
3 4 5 6
4 5 6 7
up to 1024x1024. Is there an east way to create this?

Accepted Answer

Stephen
Stephen on 20 Jan 2021
hankel(1:4,4:7)
ans = 4×4
1 2 3 4 2 3 4 5 3 4 5 6 4 5 6 7

More Answers (1)

Daniel Pollard
Daniel Pollard on 20 Jan 2021
If you have the signal processing toolbox, the buffer command will do exactly what you want.
If not, something like
x = linspace(xmin, xmax, numx);
matrix = zeros(numx, numx);
for ii = 1:numx
matrix(:, ii) = x + ii - 1;
end
should do the trick.

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