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How to carry out partial fraction decomposition
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Join Date: Jul 2005
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A well developed sense of humor is not one of my strengths!
I wish the OP good luck and my hat goes off with a respectful bow to all of you who can factor polynomials, by whatever mechanism you use!
I wish the OP good luck and my hat goes off with a respectful bow to all of you who can factor polynomials, by whatever mechanism you use!
Do you know some conditions ahead of time? For example, will the denominator always be a linear term, such as (x- a)? If so, it would make the program a lot simpler.
You might find something by doing a search on the term "synthetic division".
It is often used for solving the roots of polynomials (deflating them).
Say you have the polynomial P(x) = 0 and you know one root is x = a. You then know P(x) = (x-a)*Q(x) = 0. Q(x) is found by synthetic division, removing the root you already know so that the remaining equation, Q(x), is simpler to solve.
For example, check out sub-routine quadsd on the following page:
http://www.crbond.com/download/misc/rpoly.cpp
You may not be solving for the roots of polynomials, but the synthetic division procedure, itself, might be applicable to your problem. "Numerical Recipes" also provides some code.
Hope this gives you some ideas.
David
You might find something by doing a search on the term "synthetic division".
It is often used for solving the roots of polynomials (deflating them).
Say you have the polynomial P(x) = 0 and you know one root is x = a. You then know P(x) = (x-a)*Q(x) = 0. Q(x) is found by synthetic division, removing the root you already know so that the remaining equation, Q(x), is simpler to solve.
For example, check out sub-routine quadsd on the following page:
http://www.crbond.com/download/misc/rpoly.cpp
You may not be solving for the roots of polynomials, but the synthetic division procedure, itself, might be applicable to your problem. "Numerical Recipes" also provides some code.
Hope this gives you some ideas.
David
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