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Programmer's introduction to linear equations [republished in Ukrainian]

from Words and Buttons Online [alt+shift+b] in programming

The same as https://wordsandbuttons.online/programmers_introduction_to_linear_equations.html only in Ukrainian.
5th Jan 2019

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Words and Buttons Online: current hiatus and future plans

Hello! I’m Oleksandr Kaleniuk. I do Words and Buttons Online. Just not too often lately. Last night reminded me that I probably owe my subscribers a “still alive” message. Literally still alive. So here it is. I’m still alive. As for the site, I haven’t written a new piece for about a year and, for the time being, am not planning to do so. The reason is that I’m working two jobs mid-war, and I really have no vigor left for interactive writing. The good news is that I restarted my academic career, and something good may eventually come out of it. I work at the Institute of Nuclear and Thermal Energy (https://dte.kpi.ua/pedahohichnyi-sklad/kaleniuk-oleksandr-serhiiovych/), where I teach numeric methods and explore periodic surfaces and their applications for thermal management. For instance, this is my latest work, code, examples, and whitepaper included: https://codeberg.org/okaleniuk/faitps I also built a tool for online teaching that includes all the visuals from the Words and Buttons, plus many more: https://okaleniuk.codeberg.page/blackboard/. It’s like a slide deck with interactive visuals where you get to form your deck according to your own lecture plan. I do have a lot of material to share. Some classics of numerical methods and mathematical programming, and some really hot insights, straight from the frontier of computational geometry research. So, if I manage to dodge a few more missiles and live to see the impending victory, I will definitely breathe out and come back to writing for Words and Buttons Online. But for now, I have to keep my priorities straight. Stay tuned.

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13 hours ago • 1 votes
Community

I’ve been taking a break from Mastodon as my social home on the web for about six weeks. It has been more difficult than I’d usually admit. I have an amazing local community in my town that I love and am deeply involved in. But nobody here is a programmer, or even a computer nerd, so it doesn’t serve my need for a tech community. I work alone, for myself, in my house. It’s a fortunate lifestyle with many upsides, but it means I don’t get that form of community at work, either. I’ve had this feeling before… as a teenager in the 1990s. It’s profoundly lonely. But when I got internet access, that started to change. I found my people. First in the Total Annihilation community (RIP, Annihilated), then the HardOCP Forum, then the Something Awful Forums, then Tumblr, then Twitter and our community of Apple bloggers, and then Mastodon. Communities form, change, and dissolve over time. None of those are, today, anything like what they were when I most enjoyed them. We change, too. I didn’t move on from most of those solely because they changed — it was usually because we both changed, and it was no longer a good fit. My break from Mastodon has been a relief in some ways, as I’ve felt increasing divergence between what I wanted and what I was getting from it, but I didn’t know where else to go. Instagram, TikTok, and YouTube are all more video-broadcast platforms than communities. All I’ve found on Bluesky is even more anger and politics, the last things I need or want. Threads hasn’t yet stuck for me, and it’s owned by an asshole. Twitter was an amazing product and community that was previously owned by assholes, and now it’s X, which has a strong but different tech community, and is owned by different assholes. So I’ve just been… nowhere, for the first time since the 1990s. It has been, once again, quite lonely. Sure, it’s been relaxing, too, but in the way a vacation is relaxing. It’s great to take breaks, but after a long vacation, I’m ready to turn my brain back on. Without participating in a large, broad tech community, I’m exposed to fewer new ideas, both of my main jobs (app development and podcasting) are much harder, the quality and reach of my work have suffered, my skills aren’t improving as much, my mind is less stimulated, and I feel disconnected from my professions and passions. My world has gotten smaller. I could keep going like this to prove a stubborn victory or purity test, but I’d mostly just be hurting myself. Communities change, conditions change, and we change. We’re all better off if we’re willing to change our minds, and if our communities let us, no matter how strongly our younger selves declared a previous position. So I’m going to wade back in and see how it goes, trying to find a better balance to hopefully have better results, including on Mastodon. My people are spread across multiple services, and I’m going to explore them all, despite most of them being owned by assholes. I’d love to participate in communities without any assholes benefiting from it, but in the modern world, that simply isn’t possible. The only alternative is to isolate myself and not have a community at all (or a job, or a smartphone, or a computer, or internet access, or a car, or most of my food, or my country). That’s neither a price I’m willing to pay nor a condition I’d try to impose on anyone else. I’d love to have your support, forgiveness, and grace as I try to find my people again, and I strive to offer the same to all of you. Everyone deserves to be part of a community. And as I grow, I’m learning to declare fewer absolutes in a complex, imperfect, and constantly changing world.

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