Ok. Noted. but how about this link
https://utopian.io/utopian-io/@safakcoban/the-formation-of-special-matrices-in-gnu-octave-tutorial-lesson-4
or
https://utopian.io/utopian-io/@safakcoban/basic-matrix-operations-in-gnu-octave-tutorial-lesson-1
or
https://utopian.io/utopian-io/@safakcoban/obtaining-sub-matrix-from-matrix-inverse-matrix-matrix-transposition-in-gnu-octave
or
https://utopian.io/utopian-io/@wodsuz/solve-and-plot-your-equations-with-octave
or
https://utopian.io/utopian-io/@wodsuz/advanced-drawing-with-octave
I think I followed the rules. and this is accepted by other moderators. hopefully you considered this or maybe rules have different interpretation for different moderators.
RE: GNU-Octave - Computrized Tomography and Image Reconstruction