thank you all for the comments, which I read with real interest.
I’m glad this community is very friendly,
even when they ask questions that maybe who knows how many others have already asked … and then it is clear that all the beginners’ questions are almost always about the usual things … and therefore it can be boring to repeat oneself.
In short, thank you all.
Since I personally found myself well with Python, without having to add too many things - but this is because the type of work I do, mainly ERP and database management, and lately industrial automation (without the need for who knows what mathematics, to be clear) - then I was immediately struck by the difference in setting between Julia / Python regarding the fact that it seems to me that you always have to download packages to have this or that other functionality …
However I understand, there is a broad reasoning behind it, on the usefulness of having libraries curated independently and by people with specific skills, with the advantages of having them perform better than the model of updates used in Python.
I’m not at a level to understand too much, yet, but it suits me, and it seems very reasonable. And as far as I can see, in fact the packages I installed (when I don’t crash … grrr … importing them …) work well.
I have a distant memory of Matlab, even if I used it thoroughly for my thesis and for some exams even earlier, now many years ago, so I mainly compare with how I found myself (I am here, because I currently use it for the automation with PLCs and other scriptint activities) with Python.
Ok, as soon as I can post something more precise, because I understand that it is better time to time, to write the specific problem, to see what solutions there are.
I noticed one thing, it is better to write here in this forum rather than to search the net, because there are sometimes (like the LDL package, which had a successor LDLD2) references to things that may be out of date, or perhaps related to old versions of Julia.
Thank you all, see you soon.