kxyvr

7 ms·

1.
by kxyvr 24d ago
While it depends on the market, job, and hours, but the bedside nurses I know make in the low $100k range. Typical shift structure at the hospital is three 12 hour shifts in a row and then four days off. Most of the time, they are union j
2.
by kxyvr 2mo ago
That's good to hear about MN. And, yes, pay is terrible in TX especially for how hot some of these jobs are. IBEW does exist there, but my experience is that most people in TX just start as an apprentice doing grunt work without any
3.
by kxyvr 2mo ago
I'll second this with the following anecdote. A few years ago, I completed an electrician certificate program at a community college in Texas. I wasn't exactly looking to switch careers, but I wanted to learn how to work on elec
4.
by kxyvr 2mo ago
Money absolutely has an impact across easily available metrics. For example, money lets one purchase better coaching for sports or join a travel team. As we see from the lawsuit, athletes were accepted at a much higher rate than the rest
5.
by kxyvr 2mo ago
My continued assertion is that "hard data" can be misleading, wrong, and discriminatory. It requires judgement to understand what it tells us and whether there is error in the collection of the data itself. As far as Kaplan, I do
6.
by kxyvr 2mo ago
Thankfully, I also work in the adult world and this world requires judgement. As an example, my wife is a physician. She and her colleagues use metrics to help assess a patient, but ultimately treatment is based on their judgement. Purely
7.
by kxyvr 2mo ago
I still contend strongly that it is wrong to distill a person into a collection of numbers. They are not. My mother was a special ed teacher who eventually became a diagnostician whose job it was to determine eligibility for services. Par
8.
by kxyvr 2mo ago
There's a wonderful exchange in the movie Interstellar that speaks to this: Cooper: You're ruling my son out for college now? The kid's fifteen. Principal: Tom's score simply isn't high enough. Cooper:
9.
by kxyvr 7mo ago
It's a combination of factors. Rural hospitals and clinics tend to be under-resourced with lack of equipment in buildings that aren't particularly nice. As far as small town, if you like it, great. However, people who are highl
10.
by kxyvr 7mo ago
There's a video as to how the match works here: https://www.nrmp.org/intro-to-the-match/how-matching-algorit... Basically, you interview at a bunch of programs and then rank them. The programs (hospitals) rank ap
11.
by kxyvr 7mo ago
If they don't match, they're allowed to scramble and move into one of those programs with open positions. If they don't choose to, that's on them, but it's still not a problem with number of residency slots. I very
12.
by kxyvr 7mo ago
That's not true. You can look at the residency match for 2025 here: https://www.nrmp.org/match-data/2025/05/results-and-data-202... While many specialties are fully filled, we need pediatricians, family
13.
by kxyvr 7mo ago
No, they are not paid too much. There's a lot of incorrect assertions here, so it'll take a lot to work through them. Physician pay depends on specialty, but it can range from the low $100kish mark for pediatricians to $500-750k
14.
by kxyvr 11mo ago
I'm an applied mathematician and this is the most common layout for dense matrices due to BLAS and LAPACK. Note, many of these routines have a flag to denote when working with a transpose, which can be used to cheat a different memory
15.
by kxyvr 1y ago
Automatic differentiation was actively and continuously used in some communities for the last 40 years. Louis Rall has an entire book about it published in 1981. One of the more popular books on AD written by Griewank was published in 200
16.
by kxyvr 1y ago
That's not true. Here's an abbreviated list from: http://historyguy.com/major_wars_19th_century.htm I'm sure there are others. It lists: Greek War of Independence (1821-1832) French invasion of Spain
17.
by kxyvr 2y ago
True. That said, I'll also mention that tomography is a very rich, interesting field that's still open to new innovations. I work in the area and unfortunately needed to pass on a muon tomography contract some years ago. By the
18.
by kxyvr 2y ago
I believe Absil, Mahony, and Sepulchre also have a book on optimization over manifolds: https://press.princeton.edu/absil I was unaware of the Bournal work, so thanks for that. Do you have any idea how Bournal's appro
19.
by kxyvr 2y ago
In the U.S., there is typically a separation between calculus and real analysis. Though, the amount of difference between the two depends on the university. In calculus, there is more emphasis on learning how to mechanically manipulate der
20.
by kxyvr 2y ago
Laugh. Probably! I gave a talk at that conference titled, "Software Abstractions for Matrix-Free PDE Optimization with Cone Constraints." I still work in the field, so you want to talk algorithms sometime, feel free to send me a
21.
by kxyvr 2y ago
Honestly, the parent is pretty accurate. No one is claiming that P = NP. However, the technology to solved mixed integer programs has improved dramatically over the last 30 years and that improvement in performance has outpaced computatio
22.
by kxyvr 2y ago
I'll second this. Their methods are very powerful and very fast. For those out of the loop, the Chebyshev (and ultra-spherical) machinery allows a very accurate (machine precision) approximation to most functions to be computed very
23.
by kxyvr 2y ago
A convex function is a function that is bowl shaped such a parabola, `x^2`. If you take two points and connect them with a straight line, then Jensen's inequality tells you that the function lies below this straight line. Basically,
24.
by kxyvr 2y ago
If anyone is interested in safely preserving food, the USDA provides the USDA's Complete Guide to Home Canning, which has recipes and canning guidance when using a pressure canner. Their current webpage is here: https://www
25.
by kxyvr 2y ago
Outside of the other suggestions in this thread, this book may also be helpful to someone interested in studying applied mathematics in college, but unsure of what that means either in terms of topics or career. I've only flipped thro
26.
by kxyvr 2y ago
What's your convergence metric? It looks like x_sol gives a residual on the order of 1e-7. That's fine, but I'd like to measure an equivalent number to the benchmark.
27.
by kxyvr 2y ago
Yes, care must be taken to stabilize the algorithm. However, I do not believe it to be true that no digits of accuracy can be obtained. The algorithm falls back to the Cauchy (steepest-descent) point on the first iteration and this will g
28.
by kxyvr 2y ago
MA57 is a sparse symmetric solver. IPOPT uses this because it solves a modified KKT system that includes both the Hessian and constraint information simultaneously. This differs from composite step methods, which split the optimization st
29.
by kxyvr 2y ago
This is not entirely true. A typical trick for accomplishing this is to simply use the Hessian approximation `g'(x)*g'(x)` (star denotes adjoint), thus cutting off the second-derivative evaluation of g, and then use a modified CG
30.
by kxyvr 3y ago
To piggyback onto this, a $250k limit affects most physicians. Hospitals will argue that a physician leaving a facility hurts the hospital because that physician will bring their patients with them. What they don't mention is that th

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