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    EternalBlizzard

  • Mar 30, 2016

  Dude u know discrete maths? Quantifiers, Predicate and stuff....

  

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    EternalBlizzard

  • Oct 7, 2015

  ok i'll post it in a thread... you must answer there :s Yea i can solve it by using any variable but i can't understand that operator method anyways ill tag you in my thread...

  

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    EternalBlizzard

  • Oct 7, 2015

  No i can solve it... the only problem i was having is that some times we consider "D" as an operator and sometimes we factorize it into (D-1)(D-2) so how come we are supposing D an operator and a variable which holds the roots of an equation at the same time...
  And i have searched the internet this method is very uncommon... rarely find it... most of the time i find Method of Undetermined coeffecients and that is very logical so i can easily understand it.
  
  For e.g if we have..
  
  (D^2 + D + 1)y = 0
  now "D" is an operator but if we put y = e^rx , then apply the operator it'd be something like
  
  (r^2 + r + 1)e^rx = 0
  And then we say that since exponential can't be zero that equation will be zero and find the roots... But in my book the factorized D.... put values in it sometimes and then use it as an operator... That's the problem. How come you are using D as an operator and a variable simultaneously.
  
  I'll try making a thread tho

  

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    EternalBlizzard

  • Oct 5, 2015

  Dude i need to ask a question about solving Diff eq. Do you know the method of Differential operators and how to solve Linear higher order differential equation with that?
  the one in which we do D = d/dx and write equation as.
  
  (D^2 - D + 1) y = 0

  

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    Chandoo

  • May 15, 2010

  Ah so you bought a 360
  
  Nice job, yeah plenty of great games out right now, Alan Wake .. Red Dead (if you want a western themed GTA), Mass Effect 2 (granted you played the first one) of course, FFXIII just because of it's name Bayonetta for the superior action adventure title and many more, and sure ask me anything, user message is fine too, no need for PM's.

  

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    Chandoo

  • Sep 30, 2009

  holy crap dude, can't believe you don't have any visitor messages lol, let me pop that cherry
  
  anywho, you got a psp right ? if you're keeping up with the psp scene, they just cracked the latest firmwares which allows all new PSP games like Disgaea 2, Persona remake etc to work.
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