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Old 11-07-2003, 12:46 PM   #1
Omarel
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Solve and drowing the secon degree ecuation


Can somebody tell me the program in C++ for solving and drawing the second degree ecuation.
I'm looking for documents about elementary aplications in C++ like this.
 
Old 11-07-2003, 01:05 PM   #2
Y0jiMb0
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Hi!
I don't think is easy to find such a program: too specific!
But if you only need to solve quadratic terms is quite easy to program. If you'd like to solve a more generic case, you have to look for a library/program to work out zeros (or roots) of equations. There are many very known algorithms: bisection, regula falsi, Newton, (or Newton-Raphson), and many others... you may include such words in your search.
I use a library which contains such algorithms and many others implemented: GSL (Gnu Scientific Library); is written in C.
If you want to see a program to make graphical representations: GNUplot; you can see the code, but is not 'elementary'
I hope it helps...
Regards
 
Old 11-07-2003, 03:23 PM   #3
dakensta
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You can also find lots of numerical code (including what you are looking for) here :

http://www.library.cornell.edu/nr/bookcpdf.html

although it is rather terse and in C. There is c++ version but you have to buy it.
 
Old 11-08-2003, 07:00 PM   #4
sk8guitar
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what do you mean by second degree? second degree differential equation? matimatica and matlab are probalby better than c++ for doing diff eq.
 
  


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