What are the ways to create such a picture? As you can see, it consists of math symbols, arrows, boxes, text. Is it more efficient to load the math symbols in a program like inkscape and do all the drawings in there, or are there packages directly in Tex for that purpose?
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tikzis the package you need. it is nearly limitless but difficult to get started with. https://tikz.dev/ – anis Jan 05 '23 at 10:04