龙贝格积分算法：一种方法，把数学函数，在MATLAB环境中。
Romberg integration algorithm: a method for integrating mathematic functions, in MATLAB.
FFT借助于成熟的FFT方法实现快速计算，并利用不同阶次的龙贝格积分格式改善收敛精度。
Taking advantages of excellent FFT algorithms, the calculation is much more rapid than the classical recurrent methods, and the precision is improved with different order Romberg integral schemes.
对成品油现有混油浓度的计算方法进行了分析，提出了用改进的龙贝格积分法计算成品油混油浓度的新方法。
Based on the current calculation methods of contaminated concentration, an improved Romberg integration method is put forward to calculate contaminated con centration.
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