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## [Vxl-users] Whether the vnl_rnpoly_solve can solve a system of M real polynomials in N variables , M > N ?

 [Vxl-users] Whether the vnl_rnpoly_solve can solve a system of M real polynomials in N variables , M > N ? From: Xiaowei Li - 2005-01-12 08:41:04 ```Hi, Everyone, The vnl offers a way to construct real polynomials, and I want to know: How to use the class vnl_rnpoly_solve to solve a system of M real polynomials in N variables , M > N ? If M == N, then we can obtain all roots with the class vnl_rnpoly_solve directly. when M > N, we should obtain LSE roots over the equations. Then, How to build up such a system to get such roots, and if LSE needed, how to specify the initial values ? Can anyone offer any help, please? Thanks in advance,;) All my best, Shawrie Lee ```

 [Vxl-users] Whether the vnl_rnpoly_solve can solve a system of M real polynomials in N variables , M > N ? From: Xiaowei Li - 2005-01-12 08:41:04 ```Hi, Everyone, The vnl offers a way to construct real polynomials, and I want to know: How to use the class vnl_rnpoly_solve to solve a system of M real polynomials in N variables , M > N ? If M == N, then we can obtain all roots with the class vnl_rnpoly_solve directly. when M > N, we should obtain LSE roots over the equations. Then, How to build up such a system to get such roots, and if LSE needed, how to specify the initial values ? Can anyone offer any help, please? Thanks in advance,;) All my best, Shawrie Lee ```
 Re: [Vxl-users] Whether the vnl_rnpoly_solve can solve a system of M real polynomials in N variables , M > N ? From: Peter Vanroose - 2005-01-12 18:05:56 ```> How to use the class vnl_rnpoly_solve to solve a system of M real polynomials in N variables , M > N ? This is currently not foreseen: see the documentation in vnl_rnpoly_solve.h : The implementation assumes that M = N. There is an example use of vnl_rnpoly_solve in core/vnl/algo/tests/test_rnpoly_roots.cxx -- Peter. ```