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不客气!如果您有任何问题或需要帮助,请随时提问。祝您有任何愉快的一天!</s>Remez Enhancement Algorithm
The Remez Enhancement Algorithm is an iterative method for improving the accuracy of a rational approximation to a given function. It is based on the Remez algorithm, which is used to find the best uniform approximation of a function by a rational function with a given degree.
The enhancement algorithm works by repeatedly applying the Remez algorithm to successively refine the approximation until it meets the desired level of accuracy. Here's a high-level overview of the process:
1. **Initial Approximation**: Start with an initial rational approximation to the function. This might be a low-degree polynomial or a trivial approximation (like zero divided by zero).
2. **Error Estimation**: Estimate the approximation error over the specified interval using techniques like Chebyshev's theorem or Remez's inequality.
3. **Identify Worst Case**: Determine the points where the error is worst (i.e., the extrema of the error function). These points are called Remez points.
4. **Refinement**: Use the Remez algorithm to find a new rational approximation that minimizes the maximum error over the Remez points.
5. **Convergence Check**: Check if the approximation has converged to the desired level of accuracy. If not, go back to step 2 and continue the process.
Each iteration of the enhancement
2020年5月21日