graycat

10 ms·

61.
by graycat 1y ago
Didn't see a way to try Grok 4 for free, so tried Chat GPT: Given triangle ABC, by Euclidian construction find D on AB and E on BC so that the lengths AD = DE = EC. Chat GPT grade: F. At X, tried Grok 3: Grade F.
62.
by graycat 1y ago
One case: VERY much, FULLY, wanted home and family with love and emotional and financial security. Tried. Never could. The reason: ECONOMIC!!!!! For higher education and jobs, had to keep moving, Indiana, Maryland, Ohio, NY. The moving
63.
by graycat 1y ago
In all those books I listed, and more, e.g., on axiomatic set theory and other foundations , never saw definition or mention of codomain . So, the term is obscure. Readers are supposed to guess at the meaning of obscure terms? What I di
64.
by graycat 1y ago
"Functions Are Vectors"? Let's see: Let A be a non-empty set, N the set of positive whole numbers, and X the set of all functions f f: A --> N with usual notation. Assume as is common, the scalars are the set of real n
65.
by graycat 1y ago
The number of people served varies, but a guess is 4: It has 4 pieces of bread, about 80 C (calories) per person. The 1 cup of cheese would be 1/4 C per person, and 1/4 cup of that cheese is enough to be noticed. The 3 heads of
66.
by graycat 1y ago
Some years ago tried Caesar salad many times and settled on the recipe below. The Caesar dressing is in the family of oil and vinegar mixtures with flavorings and emulsifiers. The salad also has croutons (pieces of toast flavored with som
67.
by graycat 1y ago
Tell me more: At my PC, the weather URL https://forecast.weather.gov/MapClick.php?lat=35.90615740000... still works.
68.
by graycat 1y ago
Taylor Swift did well understanding the emotions of teen girls, so well that lots of teen girls, not just in the US, begged their fathers and got ~$1000 for a ticket to a Swift concert, and Swift ended up worth ~$1 billion. It also helped t
69.
by graycat 1y ago
> Bach lacks the skill and emotional depth to write a song about that lonely feeling For a wide range of such feelings , some can regard as "lonely", as they develop, achieve a triumph, a catharsis, and finally a recapitulatio
70.
by graycat 1y ago
> "Chappell Roan" Just now listened to some of her music, two of her pieces Good Luck Babe https://www.youtube.com/watch?v=1RKqOmSkGgM&pp=ygUcY2hhcHBlb... and Pink Pony Club https://www.youtu
71.
Bill BBB and Section 174
4 points by graycat 1y ago|1 comments
72.
by graycat 1y ago
For abstract algebra, there is the polished I.\ N.\ Herstein, {\it Topics in Algebra,\/} (markup for TeX word processing). For Galois theory, took an oral exam on what was in Herstein. For linear algebra where the field is any of the
73.
by graycat 1y ago
NP-hard is really hard , but it is hard for (a) polynomial running time, (b) for exact solutions, (c) on worst case problems. One might suspect that fast enough on specific problems for approximate solutions that still make/save a l
74.
by graycat 1y ago
I derived some math, new at least to me, based on my pure math background, e.g., Rudin in measure theory some functional analysis, probability based on measure theory from Neveu, tightness in probability once used in some statistics for
75.
by graycat 1y ago
> How can a person become so good at researching ? My time in my Ph.D. program and some of the work in my career (getting paid) suggest that I was "good at researching". But I left such research due to wanting to get paid more
76.
by graycat 1y ago
Clearly "Section 174" is now, currently, an issue . And vaguely I seemed to remember some Trump campaign statements that in taxes some business spending could be deducted instead of amortized (spread over several years) or so
77.
by graycat 1y ago
Your Honor, here printed on paper is what the Prosection calls "software". Actually as anyone can see on the paper, what is there is just ordinary typing A-Z and 0-9 with a lot of the typing in English. Businesses have been doin
78.
by graycat 1y ago
On "Section 174" and more on taxes from Hill, Barth & King LLC at https://hbkcpa.com/insights/proposed-tax-bill-addresses-trum... is in part: Jobs Act. The bill also addresses the “big three”
79.
by graycat 1y ago
> vector instructions Gee, for the polar decomposition, Gauss-Seidel, etc., looked really hard for those in my IBM PC/XT and couldn't find any!!!
80.
by graycat 1y ago
Fast matrix transpose? Agree for a transposed matrix, just change the indexing arithmetic that converts row i and column j to an offset in the storage for the matrix and then remember that this is a transposed matrix. Some software ob
81.
by graycat 1y ago
> What does “Undecidable” mean, anyway A big and relatively recent example is to take (1) the axioms of Zermelo-Fraenkel set theory and (2) the axiom of choice and ask if (1) can be used to prove or disprove (2). The surprising answer i
82.
by graycat 1y ago
> Trump administration halts Harvard's ability to enroll international students Sounds catastrophic! Ah, at no risk are the books and papers, the famous research professors, and their late grad students, and apparently in simple ter
83.
by graycat 1y ago
Five rules: (1) Financial Security. Since tough to get financial security when have a boss, instead start a business, make it successful, and sell it. Usually at the beginning, tough to know if some business direction is good, and good&#x2
84.
by graycat 1y ago
And for the people who get that money, guess who they will be voting for and donating to political campaigns for, etc. "Always look for the hidden agenda."
85.
by graycat 1y ago
"noisy news"
86.
by graycat 1y ago
> some billionaire via tax cuts The current noisy news is taxes for the rich the same or higher, not "cuts".
87.
by graycat 1y ago
The story includes some skipping class yet getting a Fields Medal. At least here in the US: In academics, a grade of A is better than the rest yet still some independent or from outside school results can mean more than grades and even ma
88.
by graycat 1y ago
Try to make some sense out of the OP. Start with some examples: Google: As I recall, two guys in a garage, literally, until they had a good start on a good business, offered to sell out for $1 million. Amazon: Bezos and a few programmers
89.
by graycat 1y ago
> Maybe this misses the point slightly? Maybe! My thoughts were, say, tangential or incidental . A guess is that a central issue is how much in new features should we develop and use? I see a dilemma: (A) I mentioned the old contro
90.
by graycat 1y ago
Uh, a guess is that 1+ billion people are already good at using "drop down menus" along with check boxes, radio buttons, single line text boxes, multiline text boxes, push buttons, links. So, when those user interface controls

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