According to the requirements and characteristics of software quality comprehensive evaluation, a matter-element extension synthesis evaluation method is introduced, and its shortcomings and problems are also discussed in the practical evaluation process. Especially, the matter-element model, correlation function, matter-element value space and multilevel metrics data transmission in the original method that can’t adapt for multi-level evaluation index system are analyzed. Moreover, the all elements and algorithm caused these shortcomings and problems have been studied and improved. Then a new multi-layer matter-element extension synthesis evaluation method is created. The metrics results and conclusion obtained by this new evaluation method are more objective, accurate and reliable than the original
Based on the requirements and characteristics of software quality synthetical evaluation, the shortages and defects caused by original fuzzy synthesis evaluation algorithm and multilayer matter-element extension evaluation algorithm are systematically analyzed and discussed. These shortages are mainly resulted from the calculation of "taking large and taking small value" of the fuzzy comprehensive evaluation algorithm and the complex computing process of the multilayer matter-element extension evaluation algorithm, and also lead to the loss of a large amount of valid information and the multilayer transmission distortion of intermediate measurement data. Therefor, this paper extracts the excellent calculating structure from the original two algorithms and creates a new fuzzy extension synthesis evaluation method for software quality
According to the needs and characteristics of software quality comprehensive assessment, the author systematically analyzes the drawback of the loss of a large amount of effective information caused by the calculation of “selecting large or small value” in the fuzzy synthesis evaluation algorithm as well as the defects of distortion among the intermediate data transformation in the processing of multi-level extensive evaluation algorithm. For that reason, this paper combines the two original algorithms and improves their shortcomings. Finally, an innovative software quality fuzzy extension synthesis evaluation method is created. Practice shows that adopting this new method to implement software quality evaluation not only has the advantages of accurate, reliable and practical but also the characteristics of easy to achieve computable and standardized
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