Mikael Slevinsky
80 posts


@smith_john45146 @1611Hammer @MarkFusetti What kind of plane crash only displaces 1 cm? Probably a couple of feet or more
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At that speed, an object striking solid ground, Grok says:
"An object striking solid ground at 400 mph could experience g-forces on the order of 163,000 G’s, assuming a stopping distance of 1 cm. This is an extremely high value, and in reality, the object would likely disintegrate or deform significantly upon impact, which could alter the stopping distance and thus the g-forces. The exact value depends on factors like the material properties, shape of the object, and the nature of the surface."
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My close collaborator and friend @dlfivefifty is giving next week’s PIMS Network Wide Colloquium on what I can guarantee will be a captivating and fascinating topic - Computing Equilibrium Distributions of Interacting Particles. pims.math.ca/events/241017-…
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@jeremykauffman The problem is insoluble without the true positive rate.
All that can be said is that it would be less than 2%.
GIF
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4 out of 5 doctors can't answer an introductory statistics question
Doctors are midwits maintaining a medieval guild system, not geniuses

Michael Thomas@curious_founder
I think about this cartoon a lot.
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Mikael Slevinsky retweetledi

Raphaël Clouâtre, Brock Klippenstein, Richard Mikaël Slevinsky: Lifting Sylvester equations: singular value decay for non-normal coefficients arxiv.org/abs/2308.11533 arxiv.org/pdf/2308.11533
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@mathNAb This is how the Julia package on generalized hypergeometric functions works.
github.com/JuliaMath/Hype…
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Mikael Slevinsky retweetledi

Richard Mikael Slevinsky: Fast and stable rational approximation of generalized hypergeometric functions arxiv.org/abs/2307.06221 arxiv.org/pdf/2307.06221
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@TastefulVore @MrLoveAmerica @kamilkazani It gets even better! It turns out all Allied postwar reparations were agreed upon by the Potsdam Conference (a meeting of US, UK, and USSR with no German delegation). So yes, war reparations can and have indeed been dictated by the victors en.m.wikipedia.org/wiki/Potsdam_C…
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@TastefulVore @MrLoveAmerica @kamilkazani All those events are described in the War Reparations page on Wikipedia. Like it or not, they were taken by the Allies (all sides).
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Soviet Union had the huuuuuge machine tool industry of very uneven quality. To a very significant extent it produced somewhat inferior variations of the German-designed models
Imitations, yes. Still, it could imitate
Then the mechatronic revolution came and it all went kaboom
newstar@newstar877
@kamilkazani was there ever a Soviet machinery industry ? Like, a serious one ?
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@TastefulVore @MrLoveAmerica @kamilkazani And, tautologically, forced labour to Allies (East and West) could not have been given.
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@TastefulVore @MrLoveAmerica @kamilkazani According to Wikipedia, Nazi German war reparations began before the war ended and included in kind contributions (machinery, forced labour) to all Allies. #World_War_II_Germany" target="_blank" rel="nofollow noopener">en.m.wikipedia.org/wiki/War_repar…
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@MrLoveAmerica @kamilkazani By looted you surely meant reparations?
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@kamilkazani I toured many factories in Ukraine in the early 90s. Was surprised at the sheer quantity of machine tools still in use that had been looted from Germany in 1944/45.
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So I got an award recently. (I actually can't believe it!) news.umanitoba.ca/meet-mikael-sl…
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A new preprint is out with @TimonGutleb and @dlfivefifty on rationally modified orthogonal polynomials and infinite banded matrix factorizations. If you would like to get involved, we’ve highlighted plenty of new directions and open problems at the end!
arXiv math.NA Numerical Analysis@mathNAb
Timon S. Gutleb, Sheehan Olver, Richard Mikael Slevinsky: Polynomial and rational measure modifications of orthogonal polynomials via infinite-dimensional banded matrix factorizations arxiv.org/abs/2302.08448 arxiv.org/pdf/2302.08448
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Families of polynomials defined by a certain three-term recurrence relation, including the Taylor polynomials of e^x, have zero-free parabolic regions. This is the beautiful result of Saff and Varga [doi.org/10.1137/0507028].
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