Text Definition and 558 Threads

TL;DR Summary: Text recommendations for laser ablation for grad student. Hi all, Long time reader, first time poster. I graduated with a B.Sc. in physics in May 2024. I am now currently doing research in my graduate studies. As such, I have been tasked with finding one or two good textbooks...

I am trying to build an AI to group texts into topics using K clustering so I must embed a text into a vector. Everyone knows that the conventional way is to first tokenize the text into words and stripping all the punctuation chars. I get a list of word from this. This is what I plan to do with...

Grammarly no longer works in the text of posts. It work fine in the title Thanks Bill

All day I have been trying to find a method of finding the difference between two input (body of text), and get the difference but in order. I have tried breaking down the text into separate lines, then try to find the difference between both lines, but somehow this doesn't solve the problem and...

I am new to ##\rm{LaTeX}##. Using the ##\texttt{wrapfig}## package, the figure loads correctly to the right. However, the text, though I typed much of it below where I specified the image to be, comes above it, not alongside it. I cope and paste my code below. You will see much the text that...

Can a visually impaired person understand the book Visual Complex Analysis by Needham? I mean, in principle, e.g., even being helped by somebody with no visual impairment. IOW, can its content be conveyed by pure text, without illustrations?

I just purchased this text. It is less comprehensive than the book by Adler, Bazin, Schiffers, and is written at an (mostly) undergraduate level. I have a problem with example 4.1 on page 35-6. What is meant by the down-arrow followed by the 1 in two equations 4.6-a, b? I am not sure...

Hi everyone I'd like to make a timer that continues to run on the lock screen after the power button is pressed. I thought I could use a foreground notification for this and used code from this page: In particular, I thought I could modify the following lines of code: Notification.Builder...

So I tested ChatGPT's cousin, Dalle.e 2. It is said to create images from text, and the website suggest to be very explicit in the description of the image, add many details, to get a good picture. My mind started to wander... Would I finally get a pic of Einstein battling dinosaurs, or having a...

Hi, I am looking for an app that converts a checklist to text. The advantage of this app is to save time in writing professional reports. For example, suppose a professional uses a list of 10 possible variables to examine a case but finds only 4 variables match a pre-set quality criteria. In...

https://demo.w3layouts.com/demos_new/template_demo/28-07-2021/biodata-liberty-demo_Free/2002651968/web/index.html This is the website that I am trying to build. This is my current navbar. This is what I want to build. My focus is on "Home" to "Contact". I want to put it at the center of the...

https://practice-project-html-css.vercel.app/ I'm talking about this one. When you hover there, it shows some text. How do I make it? <div class="grid-container"> <div class="one"><img src="project1.png" alt="" /></div> <div class="two"><img src="Project2.png" alt="" /></div>...

Hi, I received a scam text with links included on my Android S9 phone. Sender appears as an email address, rather than as a phone number. My texting program allows the blocking of phone number does not include the feature of blocking the originating email address. Any ideas of how else I can...

Hello all, I'm taking a graduate stat mech course that does not use a text and could really use a good text for reference and supplemental reading. It's been about 13 years since my last thermodynamics course so hoping such a text would have a decent review of thermodynamic relations and...

I am reading Tensor Calculus for Physics by Dwight E. Neuenschwander and am having difficulties in confidently interpreting his use of Dirac Notation in Section 1.9 ... in Section 1.9 we read the following: I need some help to confidently interpret and proceed with Neuenschwander's notation...

As stated in the summary, I'd like to design a chamber to store water under pressure. Nothing too powerful - basically at the level of a super soaker, maybe a little higher. The trick is, I want it to be powered and controlled electronically. But, I come from electronics land and know nothing...

Hi I am reading a book and I am confused why some text is mentioned. Could someone help explain. https://scholar.harvard.edu/files/david-morin/files/relativity_chap_1.pdf page 14 " There is always a difference between the time that an event happens and the time that someone sees the event...

Anyone know of an online course or set of video lectures on John Hubbard's textbook on Vector Calculus, Linear Algebra, and Differential Forms?

Hi PF! I'm going insane here. How can I have the following in xlabel: ##Q \text{ (mm\sup 3/s)}##?

I can read less text content easily. my way of reading it is to make slides of all those texts and learn from the slides. But I have issue with reading huge huge texts as you know in this case it will require too much time when I do this. Is there way to simplify this reading style? eg-: of...

Summary:: I have a problem getting the circuit of the problem to a Moore-solution. "Construct a Moore Machine and show it in a circuit, that outputs '1' whenever the sequence '01' is encountered in any input binary string (using D-flipflops)". First of, I have written the Moore Machine. I...

[Mentor Note -- this thread about Wald's text split off from this thread start about book discounts:] https://www.physicsforums.com/threads/princeton-press-30-till-july-31-2022.1010897/

Hi, I'm having two serious issues with writing a document in Scientific Workplace. In Microsoft Word one can choose a paper size such as 'Letter' and Word would restrict the written sentences within the defined margins. Is it possible to do in Scientific Workplace? Is it possible to use...

Almost all (compiled or interpreted) programming langues store the program source in the form of a series of bytes (using an encoding like ASCII or UTF-8) into a text file, enforcing the grammer of the programming language using a parser (as part of the compilation process or interpretation of...

Hi, Suppose I need to cite some information from a source. I think it'd be easier to explain using an example. In the text below titled "Example Text", I have added the sentences, "Hall effect encoders are also called magnetic encoders. They are very popular with hobbyists these days and have...

Hi everyone! I just bought the courant John calculus volume-1 from uni bookstore. I need some tips like errors, topics which are not explained well and topics which are really important and need to focus more on etc.. My background:- have Spivak as a supplement. Knows how to prove and read...

I want to inset the following text ##f_{2,G_2}##, but it seems I cannot include a subscript to ##G## in the following app: https://app.diagrams.net am I missing something? can it be done? Thanks!

It appears that many texts on astrophotography and telescopes for amateurs tend to avoid mathematical formulas, as such, they are of little use to do some practical calculations. What I am interested in is: Magnification Image scale Focal length Focal plane and sensor plane! (CCDs!) Focal-ratio...

(Sorry about writing a book! But I felt more information was the better mistake.) Okay, here's the deal. I have been teaching myself Physics and Math beyond my MS in QFT. I have been doing this for the last 20 or so years and I've gotten reasonably decent at it but String Theory is a bit...

Hi, PF I'm struggling with a sentence from the textbook "Calculus", by Robert A. Adams. At the second chapter, "Differentiation", seventh section, when it comes to talk about derivates in economics, at the example 6, the (c) question is answered in a way I don't understand. ¿Could anybody quote...

I'm a physicist familiar with QM, QFT and GR etc but I've never really sat down and learned astrophysics properly. Would Steven Weinberg's new book be considered a good advanced introduction or would people recommend another text. Half tempted to get it anyway to complete the Weinberg collection.

Sometimes when I type and edit a post my editing actually overwrites what I have written and other times text is not overwritten but adds extra text. The first case makes editing harder. Is this something I have control over? I apologize if I have not made myself clear. Does it have something to...

Summary:: Where can I find further discussion of the algebra(s) of “basic reflections” (e.g. γ^2 = -1 ), mentioned in Sec. 11.5 of Penrose’s "Road to Reality"? In Roger Penrose’s Chapter 11 of Road to Reality, titled ‘Hypercomplex Numbers’, he discusses Clifford Algebra elements being...

Isn't it $$\color{red}x\color{black}y$$

Is there a tool that can convert something like this: which when copied as plain text looks like this: \frac{4}{\pi}\sin\left(x\right)+\frac{4}{3\pi}\sin\left(3x\right)+\frac{4}{5\pi}\sin\left(5x\right)+\frac{4}{7\pi}\sin\left(7x\right)+\frac{4}{9\pi}\sin\left(9x\right) To this...

Hello, Within Griffith's text - chap 12 section 12.2 page 423 - this is a brief summary of Bell's Theorem and description of Bell's 1964 work. There is a table on page 423 showing the spin of the electron and positron (from pi meson decay) - these would be in the singlet state, one would be...

Hi, I can't enter any text into my Windows10 searchbox. Obviously it's not a keyboard problem, as I am typing this in. I looked up a few solutions, neither worked. Any ideas?

Is there such a thing? Or, alternately, am I just better off with an echem and/or physical chemistry book? Thanks Joe

I'm looking for a document (possibly online) which describes the higher cognitive functions (such as thinking, planning, creativity, comprehension, reasoning, etc.) from the neuroscientific point of view. I found only texts of brain anatomy or other describing senso-motoric and metabolic aspects...

This is my first attempt to ask for help on here. I'm not in school (52 years old) but just exploring. This is a problem from an old Lial text from 2001. I have worked on this problem for almost an hour now and just need some resolution. I have four pages of notes here. I have tried all kinds...

Trouble working through Set theory, Logic, and their Limitations by Maurice Machover. Particularly these 1. $\sigma \vDash \alpha \rightarrow \forall x\alpha$ where $x$ does not occur in a free $\alpha$ 2. $\sigma \vDash s_1 = t_1 \rightarrow ... \rightarrow s_n = t_n \rightarrow...

I'm creating a type of image processing software and I have a need to get the color that best represents text once I have identified the pixels in a region of text. I've tried using simple strategies like "averaging" the pixels or taking the most common pixel, but these produces bad results An...

As you can see in my attached picture, I am trying to continue on with my text after my embedded image, but it is putting the text still before the image. I'm not sure why it's doing this because I am writing the text after the \end{figure} command. Any ideas?

Hi everyone, I am looking for a undergrad-level QM textbook that covers most of the following topics: Scattering Resonances Entanglement Identical Particles QED Ideally I'm looking for a book that is a cross between the information-dense, reference-handy text of Bransden and Joachain, while...

Hello, In Griffiths (2nd edition) pgs 110-111 - deriving the uncertainty principle I have 2 questions 1) I am stuck on a point ... (h = ^ hat ) <f | g > = < ( Ah - <A>) ψ | ( Bh - <B>) ψ > = <Ψ | ( Ah - <A>) ( Bh - <B>) Ψ> FOIL = <ψ | AhBh ψ> - <B><ψ | Ah ψ> - <A>< ψ | Bh ψ> +...

My HP laptop screen is intermittently misbehaving 3 or 4 times per day. See an example below. But if I scroll that text off screen, then scroll back again, it renders correctly. I'm wondering if it just might be a faulty connection. Should I try to unplug/plug the cables to the screen...

Beginning of page 303 of Schawrtz's QFT text (section 16.1.1), there's a part on the renormalization of the scalar propagator in ##\phi^3## theory to second order in ##g## the bare coupling. He writes (quote begins): $$M(Q)=M^0 (Q)+M^1 (Q)=\frac{g^2}{Q^2}(1-\frac{1}{32 \pi^2}...

Hi, would like some clarification on this passage from Matthew D. Schwartz's QFT text regarding renormalization on page 297, 15.4.1 Renormalization of ##\lambda##: "First of all, notice that, while ##M(s)## (the ##\phi\phi\rightarrow\phi\phi## scattering matrix for ##\phi^4## theory) is...

I don't send text message on my phone or pay much attention to text messages that arrive on it. However, I'm curious about the current state of text message technology. I'd think there is a great demand for the ability to read phone text messages online. From glancing at this topic on the...

Background: https://translate.google.pl/translate?sl=pl&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=https%3A%2F%2Fwww.syllabus.agh.edu.pl%2F2018-2019%2Fen%2Fmagnesite%2Fstudy_plans%2Fstacjonarne-inzynieria-mechatroniczna%2Fmodule%2Frme-1-101-s-matematyka-1&edit-text=(mindless applying of 'algorithms'...