Display a matrix as an image with boundaries(borders) between different components
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I have a matrix like the first image that changes with each step.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/640700/image.png)
To display this matrix as an image, the imagesc or other commands only displays as a color image, but I want the boundaries(borders) to be displayed automatically as well, because this matrix changes at every step, and if the borders are not detected automatically, it will be useless.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/640705/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/640710/image.png)
1- Please help me how I can display this matrix with its boundaaries (borders) automatically like the following images with and without color ?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/640715/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/640720/image.png)
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