本文考虑决策者在实际问题中存有的多种决策心理,针对毕达哥拉斯模糊偏好下考虑双边主体损失规避和参照依赖心理行为的双边匹配问题提出一种决策方法。对于双边主体给出的毕达哥拉斯模糊偏好信息,依据TODIM(Tomada de Decisao Interativ...本文考虑决策者在实际问题中存有的多种决策心理,针对毕达哥拉斯模糊偏好下考虑双边主体损失规避和参照依赖心理行为的双边匹配问题提出一种决策方法。对于双边主体给出的毕达哥拉斯模糊偏好信息,依据TODIM(Tomada de Decisao Interativa Multicritério)思想获得双边主体相较于另一边匹配主体的总体优势度,进而构建双边主体的满意度矩阵;而后,在考虑双边主体一对一的数量匹配约束下,以实现双边主体满意度最大化为决策目标,建立多目标双边匹配决策模型;最后,通过线性加权法进一步将其转化为单目标双边匹配模型,通过模型求解获得最优双边匹配方案;一个实际供应链管理系统软件的交易匹配算例验证本方法的可行性和有效性。展开更多
为解决网络舆情预警中指标相互关联的决策问题,提出一种决策信息为Pythagorean模糊数的C-TODIM(choquet-Tomada de ecisaoInteractiva e multicritevio)决策模型。首先构建网络舆情预警指标体系,并通过专家评定得到网络舆情预警决策值矩...为解决网络舆情预警中指标相互关联的决策问题,提出一种决策信息为Pythagorean模糊数的C-TODIM(choquet-Tomada de ecisaoInteractiva e multicritevio)决策模型。首先构建网络舆情预警指标体系,并通过专家评定得到网络舆情预警决策值矩阵;其次:计算每个风险等级相对于其各个风险等级关于各指标的收益或损失值,再确定所有指标子集的测度;然后计算每个风险等级的总体感知优势度,给出决策步骤。最后,通过网络舆情案例验证决策模型的可行性与有效性。展开更多
The Pythagorean Bézier hodograph curves are Bézier curves {x(t), y(t)}, whose hodograph (first-order parametric derivative) components satisfy the Phythagorean condition x’2(t) +y’2(t) = σ’(t) for some p...The Pythagorean Bézier hodograph curves are Bézier curves {x(t), y(t)}, whose hodograph (first-order parametric derivative) components satisfy the Phythagorean condition x’2(t) +y’2(t) = σ’(t) for some polynomial σ(t). For nth degree PB curve (n is odd), its offset curve is represented by rational Bézier curve with (2n - 1)th degree and arc length by polynomial. Specially, the properties of cubic PB curve are studied, its geometric features are discussed and its quasi-Hermite interpolating curve and GC1 composite cubic PB curve are also constructed.展开更多
文摘本文考虑决策者在实际问题中存有的多种决策心理,针对毕达哥拉斯模糊偏好下考虑双边主体损失规避和参照依赖心理行为的双边匹配问题提出一种决策方法。对于双边主体给出的毕达哥拉斯模糊偏好信息,依据TODIM(Tomada de Decisao Interativa Multicritério)思想获得双边主体相较于另一边匹配主体的总体优势度,进而构建双边主体的满意度矩阵;而后,在考虑双边主体一对一的数量匹配约束下,以实现双边主体满意度最大化为决策目标,建立多目标双边匹配决策模型;最后,通过线性加权法进一步将其转化为单目标双边匹配模型,通过模型求解获得最优双边匹配方案;一个实际供应链管理系统软件的交易匹配算例验证本方法的可行性和有效性。
文摘为解决网络舆情预警中指标相互关联的决策问题,提出一种决策信息为Pythagorean模糊数的C-TODIM(choquet-Tomada de ecisaoInteractiva e multicritevio)决策模型。首先构建网络舆情预警指标体系,并通过专家评定得到网络舆情预警决策值矩阵;其次:计算每个风险等级相对于其各个风险等级关于各指标的收益或损失值,再确定所有指标子集的测度;然后计算每个风险等级的总体感知优势度,给出决策步骤。最后,通过网络舆情案例验证决策模型的可行性与有效性。
文摘The Pythagorean Bézier hodograph curves are Bézier curves {x(t), y(t)}, whose hodograph (first-order parametric derivative) components satisfy the Phythagorean condition x’2(t) +y’2(t) = σ’(t) for some polynomial σ(t). For nth degree PB curve (n is odd), its offset curve is represented by rational Bézier curve with (2n - 1)th degree and arc length by polynomial. Specially, the properties of cubic PB curve are studied, its geometric features are discussed and its quasi-Hermite interpolating curve and GC1 composite cubic PB curve are also constructed.
