Shift a square matrix along a bigger square matrix by one

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Randa
Randa 2022-11-30
编辑： DGM 2022-12-8
Let’s say I have a matrix,call it m2 with size of 4x4. I want to shift the matrix by one using for loop.

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回答（2 个）

Bjorn Gustavsson
Bjorn Gustavsson 2022-11-30
Have a look at the help and documentation for the function circshift. That function should solve the problem you have described.
HTH
DGM
DGM 2022-11-30
编辑：DGM 2022-12-8
See either imfilter() or conv2().
If you're forced to do it manually, then there are many examples of sliding window filters on the forum.
https://www.mathworks.com/matlabcentral/answers/1844003-creating-an-image-convolution-code
https://www.mathworks.com/matlabcentral/answers/791809-2d-convolution-with-same-dimensions
https://www.mathworks.com/matlabcentral/answers/820635-how-to-convolve-two-matrices-with-different-sizes
https://www.mathworks.com/matlabcentral/answers/1648495-i-am-trying-to-write-a-program-for-a-grayscale-image-blurring-without-using-gaussian-or-conv2-functi
https://www.mathworks.com/matlabcentral/answers/1867698-shift-a-square-matrix-along-a-bigger-square-matrix-by-one#answer_1116723
You can use padarray for edge padding. See:
https://www.mathworks.com/matlabcentral/answers/1727870-alleviate-the-border-effect-through-extension-by-repetition-and-extension-by-mirroring-on-image

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