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Hello Andrey, Hello Everibody,

Smath Matrix object is a very useful object.

I would like to propose some discrete separation lines between the cells (as Excel does, for instance), in order to facilitate the good lecture.


Thanks,
Ioan

I support this proposal. Here is an example where it is nearly impossible to visually recognize which spaces separate matrix entries and which separate factors. It could be mitigated by a smaller gap between factors (in those cases where the point is ommitted).

If the matrix grid is introduced, then there should probably be an option to control printing appearance just like with the background grid.

Hi. There are some standards, probably some of mandatory compliance. For instance, ISO 80000-2 (2009, there are some other newest) says



and from NIST Guide to the SI:



So, maybe to solve the hard issue pointed out by Martin, perhaps the best solution is just to increase the spacing between the elements of the matrix. For the original question, about nested arrays, I have no idea.

Best regards.
Alvaro.

Hi Ioan. I know that your improvement is very good to achieve better visualization in SMath. However, comparing how the matrix is displayed with other software, I think the main problem is that we need some more space between the matrix elements.



Putting all together



However, it would be very interesting to also have the options you propose.

Best regards.
Alvaro.

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My simple objection is that having no visible separators for cells, the easy readability of SMath Matrix Object is not enough facilitated.

Visible separators dates back Mathcad 11, 8 Pro.
matrix:=[sqrt(2)"ln(2)"pi]
matrix=[1.4142"0.6931"3.1416] ... separated c/w separators

Wrote

Visible separators dates back Mathcad 11, 8 Pro

Delicious "..." separation

Wrote

My simple objection is that having no visible separators for cells, the easy readability of SMath Matrix Object is not enough facilitated.
I do not see serious objections against some innovative solutions, as far as the main objective is conserved.

I think a visual separator is a good idea.
Maybe these can be used for adding blank rows and columns too.