What is Notes: Definition and 206 Discussions

Natural orifice transluminal endoscopic surgery (NOTES) is an experimental surgical technique whereby "scarless" abdominal operations can be performed with an endoscope passed through a natural orifice (mouth, urethra, anus, vagina, etc.) then through an internal incision in the stomach, vagina, bladder or colon, thus avoiding any external incisions or scars.

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  1. malawi_glenn

    Other Collection of Free Online Physics Books and Lecture Notes (Part 2)

    This is part 2 of my thread Collection of Free Online Math Books and Lecture Notes Here, we will consider physics and mathematical methods for physics resources. Now, this is a work in progress. Please feel free comment regarding items you want to be included, or if a link is broken etc. Note...
  2. ValenceElectron

    Taking Math Notes: Tips & Techniques for Note Taking

    TL;DR Summary: How do you take notes for math? Hello, I'm wondering how everyone here takes notes for their math classes. In all my most recent math classes we just have a packet we work through that's a combination of problems that the teacher guides us through and that we do on our own for...
  3. F

    B English Translation of Italian Lecture Notes: Equations & Solutions

    Hi, I am looking at some lecture notes in Italian, and I'm wondering about the correct English translation for some terms. I am afraid that in some cases the "literal" translation would sound weird. I looked online but I still have some doubts. In some cases I was not able to find a satisfactory...
  4. malawi_glenn

    Other Collection of Free Online Math Books and Lecture Notes (part 1)

    School starts soon, and I know students are looking to get their textbooks at bargain prices 🤑 Inspired by this thread I thought that I could share some of my findings of 100% legally free textbooks and lecture notes in mathematics and mathematical physics (mostly focused on geometry) (some of...
  5. D

    Ipad or classical textbook for notes?

    Hi, I want your opinion regarding modern notetaking technology. Is it better than using the classical pen & paper? As a physics student it would be an advantage to save my notes in the cloud.
  6. A

    Musical notes interpretation

    Musical notes Can AI, Machine learning, Data science, Computer vision, image processing technologies assist in interpreting musical notes ? Input dataset : Musical notes Output : Sound (Audio file) played. A python program which can assist in interpreting or converting text to speech ?. The...
  7. Eclair_de_XII

    Is it good etiquette for a student to write down his|her own notes?

    I apologize for the vagueness of the topic title. Allow me to clarify what I mean. Let's say a professor is explaining a theorem while proving it on the board. He is explaining this to a fairly small class; he would hypothetically know what every single student is at his or her desk. Suppose...
  8. Leo Liu

    Studying How to take notes for physics and math?

    I am bad at taking notes. I have always borrowed/bought my friends' notes to brush up for the exams because of that. I want to learn how to take notes for physics and math on paper since I don't want to be too dependent on others. I decide to learn to take paper notes because it is faster to...
  9. E

    B A questionable statement in some FBD notes?

    My sibling has been given a set of mechanics notes by her teacher; when I was looking through I saw something very suspicious... Huh? I quite literally have no idea what this means. The acceleration is a physical observable, so it already has a fixed (if unknown) direction and you are not just...
  10. Eclair_de_XII

    LaTeX How do I add notes to the side of my equations?

    Let's say I wanted to describe the first step of this calculation by writing "Factor out ##c_2c_3,c_3,c_3## from these determinant expansions." on the right side of the second expression on the right. Which environment would work well? Below is the code generating the text in the image above...
  11. JD_PM

    A Lorentz Transformations and Angular momentum | Tong's QFT notes

    I am reading Tong's lecture notes and I found an example in which there are several aspects I do not understand. This example is aimed at: - Understanding what is the analogy in field theory to the fact that, in classical mechanics, rotational invariance gives rise to conservation of angular...
  12. S

    High Energy Introductory notes on AdS/CFT or black hole thermodynamics

    I am looking for a book/notes on the topics mentioned in the title that would be accessible to an undergrad. I have a background in grad quantum and statistical mechanics, but most resources I found on those topics assume a familiarity with QFT, string theory, gauge theory, and general...
  13. D

    Particle Schwartz and QFT Following Tong's Notes

    Hello, I have been following Tong's notes on QFT and have found them to be a great introduction. I am almost at the end and am trying to figure out how to proceed. I have seen recommendations on David Skinner's notes, but I think I want to use a textbook either with Skinner's notes or maybe...
  14. W

    Quantum Intro to QFT notes/texts (minimal "external guidance")

    Hi everyone, My university has completely scrapped an undergrad Intro to QFT course and I am essentially left with no choice but to do self-study with no (worst-case scenario) external guidance. Are there notes or texts that can be used for such a purpose? Would be a nice bonus if there's a...
  15. Pispi Choudhury

    Calculus Book suggestions and good lecture notes on the calculus of variation

    I need suggestions on books and good lecture notes on calculus of variation. I've previously studied vector calculus and multivariable calculus.
  16. binbagsss

    A Fractional Quantum Hall Effect- degeneracy of ground state (Tong's notes)

    Hi , I'm looking at the argument in David Tongs notes (http://www.damtp.cam.ac.uk/user/tong/qhe/three.pdf) for ground state degeneracy on depending on the topology of the manifold (page 97, section 3.2.4). I follow up to getting equation 3.31 but I'm stuck on the comment after : ' But such an...
  17. KiwiJosh

    Wavelength to Frequency Relationship in Musical Notes

    Hi people, So I've been digging into music theory and want to understand the basic reasons for how it is constructed. I've come across a particular relationship but I can't understand the reason it exists. A quick musical lesson: Imagine you've got a pure musical note: let's say C. From a low...
  18. M

    MHB Lecture Notes from Cambridge and Oxford

    Hi. There's a great collection of lecture notes on mathematics and physics form Cambridge University that is linked on reddit. https://www.reddit.com/r/math/comments/csgigv/collection_of_lecture_notes_on_mathematics_and/ It has notes on almost every topic, beginner, intermediate, and...
  19. R

    I don't understand my prof's notes relating to time complexity

    Problem Statement: I've attached a picture of his notes. For a sorted array, to update it he put: O(logn)+O(1) Relevant Equations: O(n) + O(logn) = O(n) I don't see how it can be O(logn)+O(1) and not O(logn)+O(n) in the worst case After you find the index that needs updating, and you...
  20. M

    Foundations How to effectively study a mathematics textbook?

    Hello I am looking to find advice on the most optimal and efficient way to properly and deeply study a mathematics textbook, such that I completely understand everything and thus giving me good foundations for future study of more advanced mathematics. However, I want to change my ways of...
  21. R

    MHB Math note-taking software for fast notes during lectures?

    Hello everyone, I want to find better math note taking software because I am a slow writer and my handwriting is very poor. It is difficult for me to keep up with professors when they are quickly jotting down equations in class. I will take Calculus 2 next semester and I am worried about how I...
  22. codelieb

    Intro Physics Feynman's Notes for The Feynman Lectures on Physics

    611 pages of notes Richard Feynman made in 1961-64 to plan and prepare lectures for Caltech's two-year introductory physics course, later known as The Feynman Lectures on Physics, have been posted in deep-zoomable format at The Feynman Lecture Website. Photos of Feynman giving his...
  23. T

    A Lecture notes on Finite Difference Methods

    I have lately been working with Numerical Analysis and I am using Finite Difference Methods for Ordinary and Partial Differential Equations by Randall J. LeVeque. It was recommended to me by a friend of mine (physicist) https://epubs.siam.org/doi/book/10.1137/1.9780898717839?mobileUi=0&...
  24. P

    I Where to publicise some notes on quantum mechanics

    I've struggled to understand quantum mechanics for many years. I've recently written some notes on the subject that address some of the issues that I've found confusing and that I think might be helpful to others. The moderators on Physics Forums, quite reasonably, won't allow me to publicise...
  25. P

    A Notes on Cosmic rays - wave interactions in plasmas

    Dear community, I am Pedro de la Torre, now doing my PhD on Cosmic ray propagation. Now, I have started to study reacceleration due to interactions of CR with plasma waves. My problem is that I do not find neither a good book or any kind of review with a detailed demonstration on the...
  26. I

    LaTeX Writing Notes LaTeX: Benefits vs Handwritten Notes

    I enjoy writing in LaTeX and was wondering if it would be a bad idea if I wrote my notes up in LaTeX. Would I be better off just making handwritten notes for revision? Has anyone tried to revise by writing up concepts/equations in LaTeX and was it more useful than handwriting notes?
  27. IjustlikeMaths

    Studying Take Notes in Lectures: Tips & Strategies to Make the Most of Class Time

    Hey, do you guys take notes during lectures or do you just concentrate on the lecture itself and what the professor says? The notes which the professor writes are uploaded to our learn-room on the internet. So I just listen during lectures and look up the script before the lecture so I know...
  28. astroman707

    Other What's your note taking method in physics classes?

    Upon entering my first physics class, I've noticed that taking notes is radically different than in any other class. It seems that during lecture one has two options. Option 1: Don't take very many notes at all, and instead focus on the lecture. Option 2: Take good notes, and miss what the...
  29. Abdul Quader

    A Lecture notes/Supporting notes

    Looking for recommendatuons/suggestions. Is there any lecture note series or something like that that can help studying Jackson's Electrodynamics? Thanks in advance. For instance, Prof. S. Errede's UIUC Physics 435/436 Lecture Notes helps to study Griffith's Electrodynamics...
  30. ohwilleke

    I BSM conference '17 notes

    This 54 page review article from a September 2017 conference in Portugal is a good starting point for people wanting an overall summary of the state of BSM physics theories that is reasonably up to date, and may suggest questions about specific theories that deserve more attention in this forum...
  31. M

    B Spending lots of time writing notes for trivial explanations

    Hi, possibly a weird question, I am looking for advice or suggestions. Currently I am going through the prealgebra art of problem solving book as I’d like to start using that series of books and may as well start with the basics to get a thorough understanding (I understand algebra and basic...
  32. binbagsss

    A Schwarzschild Derivation: Sean Carroll Notes - Theorem Name?

    Hi, Page 166, theorem expressed as 7.2, does anybody know it's name? Many thanks
  33. smodak

    Quantum Found a good set of lecture notes on Quantum Mechanics

    I am not sure whether this is posted before but it looks really good to me. http://www.tcm.phy.cam.ac.uk/~bds10/aqp.html
  34. J

    Other Finding Reading Notes for Textbooks

    Often when I read a chapter in a textbook and don't understand something, I find "reading notes" by other students extremely helpful. Oftentimes in these notes other readers have simply written down summaries of the sections in their own words. These descriptions of the "same thing" in...
  35. D

    MHB Converting Higher Differential Equations into First Order Systems (Examples and Notes)

    First, some may ask why would do we care that we can convert a 3rd order or higher ODE into a system of equations? Well there are quite a few reasons. 1- Almost all first order systems are easier to solve numerically using computer systems (matlab, maple, etc). Yes, it takes some working out...
  36. SchroedingersLion

    A Effective Mass lecture notes

    Greetings, I have come across the effective mass in my solid state physics lectures, and I have troubles understanding it. I have uploaded the part of the script (handwritten 4,5 pages) that I don't understand. At page 3, it is shown that the effective mass in the vicinity is negative. What...
  37. CivilSigma

    Studying Dealing with Unreasonable Note Sharing Requests in Class

    I have developed a pet peeve relating to un-reasonable note sharing requests from class mates and I don't know how to handle the problem of saying 'No' or about handling the situation. By un-reasonable , it means a friend asking for 5 lectures worth of notes, not 1 or 2 and for no apparent...
  38. noir1993

    A Dyson's Formula from Tong's lecture notes

    I am studying quantum field theory from [David Tong's lecture notes][1] and I am stuck at a particular place. In Page 52., under the heading *3.1.1 Dyson's Formula*, Tong introduces an unitary operator U(t, t_0) = T \exp(-i\int_{t_0}^{t}H_I(t') dt') He then introduces the usual definition of...
  39. fresh_42

    I Free pdf for PDE on AMS Open Math Notes

    To all who are interested in a source for the treatment of partial differential equations: Victor Ivrii, Toronto, Course notes, 310 pages https://www.ams.org/open-math-notes/omn-view-listing?listingId=110703&utm_content=buffer2458a&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer
  40. berkeman

    App for taking voice notes and To-Do list items?

    I'd like to find a smatphone App for taking quick voice notes for To-Do lists. I have the App ColorNote on my phone right now, but it's awkward to use for taking notes and To-Do lists, and it doesn't seem to have a voice interface. What I'd like to be able to do is use a quick click on my...
  41. fresh_42

    Foundations AMS Open Math Notes: Valuable Lecture Notes on Commutative Algebra and More

    I have a subscription of Terence Tao's Blog and he promoted the following website of the AMS where they started to gather lecture notes. http://www.ams.org/open-math-notes Although it seems to be quite new and in its beginning, I already found a valuable read in the Commutative Algebra...
  42. J

    I Explaining Music Notes Consonance with Wave Functions

    Hello all, First of all, I am aware that dissonance and consonance between pitches also depend to an extent by culture and musical origin but there also seems to be some degree of objective perception among people that can be explained scientifically. Also, I'm very new to this so I could be...
  43. I

    Studying Use pencils or light-coloured pens for notes in books?

    Good day everyone, I am plan on writing in course books to help studying. I am almost certainly sure this will help me understand the material better. The question is if anyone has experience with writing in books and is there a huge difference between using a pencil or using a light-coloured...
  44. MidgetDwarf

    Studying Do People Actually Read The Notes They Take In Class?

    I am curious to know whether or not people on this forum read/review their notes taken in lecture? I have never reviewed notes taken in class. I do quite well in my classes. I do ask questions, participate in lecture, and always go to office hours. I do write lectures notes, but it seems that it...
  45. M

    In university lectures, what note-taking software do you use?

    Hi For keeping with full disclosure - I hope to use this information to determine the need for an idea I've had that would make the lives of maths/physics students easier. I have just two questions I hope you can answer... What software do you use for taking notes during lectures and...
  46. S

    Classical Any online notes for Giancoli physics?

    Does anyone know of good online notes that follow the Giancoli Physics textbook?
  47. A

    Other Taking Notes for Self-Study "advice"

    Hello, from my experience, taking notes while self-studying is the most frustrating thing I ever faced. I am one of those people who doesn't want to miss any small detail! I started this summer self-studying "mathematical methods in the physical sciences - By Mary Boas" because I found it...
  48. L

    QM notes with entanglement, Bell, decoherence, etc.

    Does anyone know of QM notes (or a review article) that covers entanglement, the measurement problem, Bell inequalities, decoherence, or the delayed choice experiment (or the more recent mesoscopic experiments). So to speak the more modern and the exciting aspects of QM. I think closest to that...
  49. JR Sauerland

    Cornell notes: Do you use them?

    Back in High School, our Algebra 2 teacher did the whole Cornell notes thing, and would take points off if we didn't set it up with that format. Do you guys use them? For those of you who are scratching your head, this is the Cornell Notes Format...
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