# User talk:Kwinkunks

## Welcome

Welcome!

Hello, Kwinkunks, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:

I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes (~~~~); this will automatically insert your username and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question on this page and then place {{helpme}} before the question. Again, welcome! Aboutmovies (talk) 10:04, 27 September 2009 (UTC)

Hello strange geophysics-type-person! I also added a bit of a clear-up to his equations page. Now to get back to that derned WOGE...Reynardo (talk) 03:47, 7 February 2011 (UTC) Hi. I've nominated Karl Bernhard Zoeppritz, an article you worked on, for consideration to appear on the Main Page as part of Wikipedia:Did you know. You can see the hook for the article here, where you can improve it if you see fit. Reynardo (talk) 03:47, 7 February 2011 (UTC) (actually, it would help if I spelt the guy's name correctly here :-) Reynardo (talk) 12:02, 7 February 2011 (UTC)

Hi, just a heads-up, I've reviewed the KBZ article at DYK and it's a bit short (970 character rather than the minimum 1500 character requirement). I've informed Reynardo, but I thought that I should let you know as well. Anyway, it's always good to see another geoscientist contributing. Cheers, Mikenorton (talk) 12:47, 12 February 2011 (UTC)
Kwin, my friend - any chance you can add some more bio details here? I'm hoping the German pages on the internet have a few extra facts. When you can get your nose out of WOGE, that is (*grin*). Reynardo (talk) 14:47, 12 February 2011 (UTC)
I just took another look at it, used another reference for some technical details, and used another translator for the German page. I think it's in decent shape now. Thanks for all the great feedback. Don't know if it's 1500 characters yet... I'm still hunting for some more biographic details (parents, place of death, etc). Kwinkunks (talk) 13:28, 15 February 2011 (UTC)
It's over 1900 characters now. I've suggested an alternative hook at the DYK talk page, which I think more accurately describes how the equations are used. Mikenorton (talk) 13:48, 15 February 2011 (UTC)
Sorry, I don't know the protocol here; perhaps I'm just supposed to put suggestions on the DYK talk page? Anyway, I think 'infer the structure of the earth' (or 'elicit...', 'establish...' or similar) sounds a bit better and is perhaps more accurate than 'map underground features'. Small point maybe, I'm just not sure you'd call the upper mantle or the core, say, 'underground features', if you see what I mean. Kwinkunks (talk) 03:05, 16 February 2011 (UTC)
Apologies for not replying earlier, anyone can contribute at DYK, although as article creator you would likely have more to say than most. You were probably right about the hook, but it was on the main page before I read your response. Zoeppritz (or at least his equations) are mentioned by someone I work with at about a rate of once every two weeks, so no doubt about his continuing importance, and now I know something about the man. Cheers, Mikenorton (talk) 13:18, 18 February 2011 (UTC)

## DYK for Karl Bernhard Zoeppritz

Thanks for brightening February on DYK Victuallers (talk) 06:03, 17 February 2011 (UTC)

*Highfives* Kwinkunks! Reynardo (talk) 12:53, 18 February 2011 (UTC)
Thank you for an interesting man! He is now featured on Portal:Germany. If you have more DYK related to Germany, feel free to place it there yourself. --Gerda Arendt (talk) 12:13, 17 February 2011 (UTC)

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## Need seismic math help

Hi, Kwinkunks! I have been trying to improve Linear seismic inversion, and have run up against some problems that I hope you can help with, since you list some practical geophysical experience at WikiProject Geology.

1. There are two links to disambiguation pages: one is impedance and the other is sum of squares. I simply don't know enough to tease out which of the meanings are right in these calculations. Would you take a look?
2. The article was downright blue with duplicate links, and I think I've finally cleaned those up. But in the process, I tried to fix a malformed LaTeX markup, here. (It's in the last paragraph of the diff, where I put \Delta instead of \$.) I don't know LaTeX, and my math has languished unused for nearly thirty years, so I'm very uncertain that I put in the right notation from the right equation.
3. There are several places in the article where it says "Eqn. \ref{corr_imp}". I think the writer is meaning to refer to a specific equation number, but it isn't filled in. I don't think it helps that the equations are numbered in two different ways: sometimes with wiki markup and sometimes with HTML. I'm hoping someone who understands the math can fill in the right equation reference numbers.

If you aren't able to help, or don't have the time, I understand, and I'll go on to someone else. But I do hope you can shed some light on these issues with the article. (It also needs some heavy copyediting, but I want to get the rest straightened out first.) Thanks. - Gorthian (talk) 07:49, 1 May 2014 (UTC)

Hey @Gorthian:... I will take a look right now and try to fix up this evening or tomorrow morning. Thank you for the awesome notes! Kwinkunks (talk) 12:37, 1 May 2014 (UTC)
@Gorthian: I fixed the issues. I removed the sum of squares link completely, as it was already linking to Least squares, which is the important link. I generally don't go for numbered equations, because they can make for rather convoluted reading, but sometimes they do help. There are a couple of handy templates, {{NumBlk}} for numbering the equations and {{EquationRef}} for referring to them. I wonder if it's worth switching to that method. That way, the references can't get messed up so easily, if someone removes or adds an equation, say. Just a thought. Kwinkunks (talk) 13:01, 1 May 2014 (UTC)
Wow, that was quick! Thank you! I think that article could benefit from those numbered-equation templates; I'll try them out and see how it looks. I'm so glad for your help! - Gorthian (talk) 01:21, 2 May 2014 (UTC)