Sometimes we encounter (nice) questions with a bit dazzling codes but not showing the mathematical formulae explicitly. Like this one. I always have a hard time extracting formulae in those questions merely by staring long enough... Maybe I'm just too stupid or slow to get used to this formula-recognition technique.
I just personally have the feeling that there'd better be some way to encourage the questioner showing formulae explicitly in the question. Either tex or just a figure. Sometimes the formula is just too easy to show. Probably it is hard to draw a line when a formula is really helpful and necessary. But at least, I found formulae quite helpful in many equation related questions, especially differential equation ones.
This should benifit most readers, help a lot attract answers, and even prevent duplicated posts as far as I can see. (I salute the authors of answers to such questions.)
What do you think?
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. – Henrik Schumacher Apr 7 '18 at 18:18