Author Topic: Clarification about section 2.6  (Read 323 times)

Yumeng Wang

  • APM346
  • Full Member
  • *
  • Posts: 20
  • Karma: 0
    • View Profile
Clarification about section 2.6
« on: October 03, 2015, 01:05:49 PM »
After I read section 2.6 of online textbook, I find out there are two places need professor to clarify.
1. After equation (7), you have written
   "Therefore, Ï•(x+ct) and ψ(x−ct) are defined respectively as x+ct>0 (which is automatic as x>0,t>0) and x−ct<0 (which is fulfilled only as   x>ct)."  -- Indeed (PS. Don't use red--I use it)
    Should the equation with read color be x−ct>0?
2. Picture "Fig-2.6.2" cannot be displayed. After I checked code of the website, it displayed 404 ERROR (page not found).
    Without this picture, I cannot quite understand context in " 1D Wave equation on the finite interval ". 

Was wrong address for an image. Fixed

Thanks for your assistance.
« Last Edit: October 20, 2015, 03:33:29 PM by Victor Ivrii »

Victor Ivrii

  • Administrator
  • Elder Member
  • *****
  • Posts: 1332
  • Karma: 0
    • View Profile
    • Personal website of Victor Ivrii
Re: Clarification about section 2.6
« Reply #1 on: October 03, 2015, 04:08:35 PM »
Thanks! Please report errors in the corresponding board!