[Maxima-bugs] [maxima:bugs] #4558 Can't control matrix 2d print formatting

[Robert D. <rob...@us...>]

I'm not sure about a global variable for this purpose, mostly because it would be hard to explain exactly what the effect of it is -- I'm pretty sure it's possible to display some large expressions, with many more lines than the length of `linearray`because the pretty printer can sometimes break up stuff; we would have to explain why that works some times and not others.

How about if we just increase the size of `linearray` to 1000 or something?


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**[bugs:#4558] Can't control matrix 2d print formatting**

**Status:** open
**Group:** None
**Labels:** display2d matrix 
**Created:** Thu May 15, 2025 06:26 PM UTC by Stavros Macrakis
**Last Updated:** Thu May 15, 2025 06:26 PM UTC
**Owner:** nobody


Displaying ``genmatrix(lambda([i,j],0),40,3)`` gives a nice 2d display. But ``...,41,3)`` uses the linear form.

This is controlled by the clause ``(if (> (+ height depth) (length linearray))`` in ``dim-$matrix`` and as far as I can tell cannot be controlled by the user -- ``linearray`` is always of length 80.

Should we add a global ``max_2d_display_height``or something? Is it enough for that to change the size of ``linearray``?

Maxima 5.47.0 SBCL 2.4.9 MacOS


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