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Finding Multiple Roots of Equations

  1. Feb 20, 2012 #1
    1. The problem statement, all variables and given/known data

    Hello everyone. My task is to find the largest positive root in a specific interval of a function using the bisection method, Newton-Raphson method, and secant method. I've written code for all three of these methods, but the only way I can find all of the roots is to hard code different intervals. I know that is horrible practice, but the teacher never explained how to find them all using a different approach. However, I did read online that it can be done using Horner's algorithm (synthetic division). Basically, from my understanding, all of the roots can be found if one root is known. However, I could not find examples of code using Horner's algorithm specific to my purpose. I'm not asking for code, but a logical explanation as to how this can be accomplished. Thanks in advance!
     
  2. jcsd
  3. Feb 20, 2012 #2

    NascentOxygen

    User Avatar

    Staff: Mentor

    Hobbits over in the maths sub-forum might enjoy this.
     
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