matrixdiagrams – Create structured matrix diagrams using TikZ

This package generates schematic matrix diagrams in TikZ to visualize specific structures within matrices, such as bidiagonal, tridiagonal, and Hessenberg forms. Users can also fill in matrix portions with color, add text and mathematical labels, and draw vertical and horizontal lines to indicate partitions. Diagrams can be independently scaled in size and aspect, enabling more realistic and relative drawings, such as those used in matrix factorizations.

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