Fair enough. Should any check my work questions be made on topic? Exercise 2 (). This is probably more suitable for the maths site, but I won't cross post. How can I derive the Hamiltonian of simple harmonic oscillator from this Lagrangian? Exercise 3 (). I'm reading Leonard Susskind's Classical Mechanics, The Theoretical Minimum, and I'm on the interlude on partial derivatives. It's does seem a bit silly to have a solitary 'yes' answer, but equally if I was wrong it would have been an opportunity for someone to explain the correct answer, Classical Mechanics, The Theoretical Minimum: error in answer to partial derivatives exercise? Why -1? Solution in the pdf is correct until last step (also in the middle when he splits partial derivative of $(2x^2+1) e^a /y$ but magically corrects in next step) . Why partial w/respect to $\phi$ of d'Alembertian of $\phi$ = 0? From the bestselling author of The Theoretical Minimum, a DIY introduction to the math and science of quantum physics First he taught you classical mechanics. All are typed with MS Word and I made a pdf file of each as well. How do you notate the augmented 6th chords with chord symbols? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Interlude 1 This is a mathematics question, but from a physics book.
Overall not a good book/source to start learning. Today is publication day for the next volume, Quantum Mechanics: The Theoretical Minimum, which is a joint effort this time with Art Friedman. Want to improve this question? Chain rule applied while calculating first derivative is also incorrect but answer is correct (idk how). Is it true that if marginal cost is constant, then average variable cost is also constant and equals marginal cost? On a side note: It is usually discouraged to ask yes/no questions because the answers yes/no are too short to write as an answer! The Theoretical Minimum: What You Need to Know to Start Doing Physics is a popular science book by Leonard Susskind and George Hrabovsky. rev 2020.10.7.37749, The best answers are voted up and rise to the top, Physics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. I found this the best intro course ever for QM. Update the question so it's on-topic for Physics Stack Exchange. Does the main character have to be likable? Why isn’t the third person singular used in “The Lord bless you”? There is an exercise that asks you to find all of the first and second order partial derivatives of the following function, There are no other sources of help specific to this question online. Requires either Mathematica 8 or later, or the free Mathematica CDF Viewer, though the viewer cannot run the programs, (you can find that here). site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa.
Why are Trump supporters flying the flag of East Turkistan. [closed]. Swapping out our Syntax Highlighter, Responding to the Lavender Letter and commitments moving forward, Is “check-my-work” defined to be off-topic in the site's help? The Theoretical Minimum is a book and a Stanford University-based continuing-education lecture series, which became a popular YouTube-featured content. I've successfully found the first derivative w.r.t. Are there any accounts written by torturers on their actions? If this kind of question isn't suitable for SE though then where is? This site is NOT officially sponsored by or affiliated with the book, its authors, or the publisher.
How can many stars be formed from the remains of one supernova? It oscillates between being rigorous and heuristic. Wolfram alpha is rarely wrong so trust it! There is an exercise that asks you to find all of the first and second order partial derivatives of the following function. The book was initially published on January 29, 2013 by Basic Books.. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. It’s even better than the first volume, taking on a much more difficult subject. A quick wolfram alpha search seems to agree with my answer, is this correct? Why does Stream.Builder have both add and accept methods? x, $\frac{\partial}{\partial x} V(x,y) = \frac{e^{x^2+y^2}}{y}(1+2x^2)$. What are the main contributions to the mathematics of general relativity by Sir Roger Penrose, winner of the 2020 Nobel prize? In the last step he applies chain rule incorrectly. I wanted help on a question. (I feel). Goodbye, Prettify. I got an offer from my dream graduate school days after starting grad school somewhere else. Exercise 1 (). Does arxiv do peer review and can a high school student submit to arxiv? Now, physicist Leonard Susskind has teamed up with data engineer Art Friedman to present the theory and associated mathematics of the strange world of quantum mechanics. Your answer is correct. Solutions To Exercises for The Theoretical Minimum Lecture 1. Is it demerit to give donations to sick non-Buddhists? Is it ok copying code from one application to another, both belonging to the same repository, to keep them independent? Probability of flipping heads after three attempts. I really don't see how that deserves a vote down. My "class" notes and problem solutions. Replacing infinitesimals with full vectors in a differential relation. But my answer for the second derivative doesn't match the answers given here, $\frac{\partial^2}{\partial^2 x} V(x,y) = \frac{e^{x^2+y^2}}{y}(2x)(2x^2 + 3)$. Does this part of a vintage font have a name? It only takes a minute to sign up. Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. Hello highlight.js! (Should it be?). This wiki provides answers to the Exercises in Leonard Susskind's and Art Friedman's book Quantum Mechanics: The Theoretical Minimum (Basic Books, 2014). Quantum-Mechanics---The-Theoretical-Minimum. How to get my parents to take my Mother's cancer diagnosis seriously? Is it bad to look at your hands while playing piano? Why should I be Bayesian when my dataset is large? … Euler-Lagrange for simple scalar field (Peskin & Shroeder), Classical Mechanics, The Theoretical Minimum: angular momentum conservation for the double pendulum without gravitational field, Covariant derivative vs partial derivative (in the context of Killing vectors), Computing total derivative of Kinetic Energy w.r.t time. I turned to SE for clarification. I'm reading Leonard Susskind's Classical Mechanics, The Theoretical Minimum, and I'm on the interlude on partial derivatives. Is it legit? What should I do? Is there such a thing as a "rocket license" in the US?
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