1 Erratum to: Neural Comput & Applic DOI 10.1007/s00521-016-2311-y
The original article has been published online with some errors. The errors are corrected with this erratum.
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1.
In Eq. (12) and in all other places, where the factor \(\frac{1}{{\sqrt {e - 1} }}\) occurs, it is in error. The correct factor is \(\frac{1}{\sqrt e - 1}\).
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2.
Just before Eq. (18), there is in error. It has ‘−’ sign. The correction is for the sign to be ‘+’.
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3.
Equation (20) should be:
$$\begin{aligned} & = \frac{1}{{n\left( {\sqrt e - 1} \right)}}\left[ {\sum\limits_{{x_{j} \in X_{1} }} {\left\{ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{A} (x_{j} ) + \mu_{B} (x_{j} )}}{2}} \right)\exp \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{B} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{B} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{A} (x_{j} ) + \mu_{B} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right) + \left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\mu_{B} (x_{j} )\exp \left( {1 - \mu_{B} (x_{j} )} \right) + \left( {1 - \mu_{B} (x_{j} )} \right)\exp \left( {\mu_{B} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right\}} } \right. \\ & \quad + \left. {\sum\limits_{{x_{j} \in X_{2} }} {\left\{ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{A} (x_{j} ) + \mu_{A} (x_{j} )}}{2}} \right)\exp \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{A} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{A} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{A} (x_{j} ) + \mu_{A} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ { - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right) + \left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right) + \left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right\}} } \right]. \\ \end{aligned}$$ -
4.
The expression following Eq. (21) is in error, the correct form is as follows:
$$\begin{aligned} & = \frac{1}{{n\left( {\sqrt e - 1} \right)}}\sum\limits_{j = 1}^{n} {\left[ {\left[ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{A} (x_{j} ) + 1 - \mu_{B} (x_{j} )}}{2}} \right)\exp \left( {\frac{{1 - \mu_{A} (x_{j} ) + \mu_{B} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{1 - \mu_{A} (x_{j} ) + \mu_{B} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{A} (x_{j} ) + 1 - \mu_{B} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right) + \left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\left( {\mu_{B} (x_{j} )} \right)\exp \left( {1 - \mu_{B} (x_{j} )} \right) + \left( {1 - \mu_{B} (x_{j} )} \right)\exp \left( {\mu_{B} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right]} \right.} \\ & \quad - \left. {\left[ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{1 - \mu_{A} (x_{j} ) + \mu_{B} (x_{j} )}}{2}} \right)\exp \left( {\frac{{1 + \mu_{A} (x_{j} ) - \mu_{B} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{1 + \mu_{A} (x_{j} ) - \mu_{B} (x_{j} )}}{2}} \right)\exp \left( {\frac{{1 - \mu_{A} (x_{j} ) + \mu_{B} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right) + \mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\left( {1 - \mu_{B} (x_{j} )} \right)\exp \left( {\mu_{B} (x_{j} )} \right) + \left( {\mu_{B} (x_{j} )} \right)\exp \left( {1 - \mu_{B} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right]} \right]. \\ \end{aligned}$$ -
5.
The expression following Eq. (22) is in error, the correct form is as follows:
$$\begin{aligned} & = \frac{1}{{n\left( {\sqrt e - 1} \right)}}\left[ {\sum\limits_{{x_{j} \in X_{1} }} {\left\{ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{B} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{2 - \mu_{B} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{2 - \mu_{B} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{B} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{B} (x_{j} )\exp \left( {1 - \mu_{B} (x_{j} )} \right) + \left( {1 - \mu_{B} (x_{j} )} \right)\exp \left( {\mu_{B} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\mu_{C} (x_{j} )\exp \left( {1 - \mu_{C} (x_{j} )} \right) + \left( {1 - \mu_{C} (x_{j} )} \right)\exp \left( {\mu_{C} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right\}} } \right. \\ & \quad + \left. {\sum\limits_{{x_{j} \in X_{2} }} {\left\{ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{A} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{A} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right) + \left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\mu_{C} (x_{j} )\exp \left( {1 - \mu_{C} (x_{j} )} \right) + \left( {1 - \mu_{C} (x_{j} )} \right)\exp \left( {\mu_{C} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right\}} } \right]. \\ \end{aligned}$$ -
6.
Equation (24) is in error, the correct form is as follows:
$$\begin{aligned} & = \frac{1}{{n\left( {\sqrt e - 1} \right)}}\left[ {\sum\limits_{{x_{j} \in X_{1} }} {\left\{ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{B} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{2 - \mu_{B} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{2 - \mu_{B} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{B} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{B} (x_{j} )\exp \left( {1 - \mu_{B} (x_{j} )} \right) + \left( {1 - \mu_{B} (x_{j} )} \right)\exp \left( {\mu_{B} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\mu_{C} (x_{j} )\exp \left( {1 - \mu_{C} (x_{j} )} \right) + \left( {1 - \mu_{C} (x_{j} )} \right)\exp \left( {\mu_{C} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right\}} } \right. \\ & \quad + \left. {\sum\limits_{{x_{j} \in X_{2} }} {\left\{ {\begin{array}{*{20}l} {\left\{ {\begin{array}{*{20}l} {\left( {\frac{{\mu_{A} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ {\quad + \left( {\frac{{2 - \mu_{A} (x_{j} ) - \mu_{C} (x_{j} )}}{2}} \right)\exp \left( {\frac{{\mu_{A} (x_{j} ) + \mu_{C} (x_{j} )}}{2}} \right)} \hfill \\ \end{array} } \right\}} \hfill \\ {\quad - \left\{ {\frac{{\begin{array}{*{20}l} {\left( {\mu_{A} (x_{j} )\exp \left( {1 - \mu_{A} (x_{j} )} \right) + \left( {1 - \mu_{A} (x_{j} )} \right)\exp \left( {\mu_{A} (x_{j} )} \right)} \right)} \hfill \\ {\quad { + }\left( {\mu_{C} (x_{j} )\exp \left( {1 - \mu_{C} (x_{j} )} \right) + \left( {1 - \mu_{C} (x_{j} )} \right)\exp \left( {\mu_{C} (x_{j} )} \right)} \right)} \hfill \\ \end{array} }}{2}} \right\}} \hfill \\ \end{array} } \right\}} } \right]. \\ \end{aligned}$$ -
7.
In Eqs. (28) and (29), ‘\(\frac{1}{n}\)’ should be replaced by ‘\(\frac{1}{{n\left( {\sqrt e - 1} \right)}}\)’.
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9.
In Step 1 of numerical example, first expression for \(M^{ + }\) is correct, and the error is the next line. It gives in fact \(M^{ - }\). Thus, Step 1 in corrected form is to be:
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Step 1 Obtaining the \(M^{ + }\) and \(M^{ - }\) given by
$$\begin{aligned} & M^{ + } = \left\{ {\left\langle {C_{1} ,\,0.8} \right\rangle ,\left\langle {C_{2} ,\,0.7} \right\rangle ,\left\langle {C_{3} ,\,0.7} \right\rangle ,\left\langle {C_{4} ,\,0.6} \right\rangle } \right\}, \\ & M^{ - } = \left\{ {\left\langle {C_{1} ,\,0.5} \right\rangle ,\left\langle {C_{2} ,\,0.4} \right\rangle ,\left\langle {C_{3} ,\,0.3} \right\rangle ,\left\langle {C_{4} ,\,0.2} \right\rangle } \right\}. \\ \end{aligned}$$
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The online version of the original article can be found under doi:10.1007/s00521-016-2311-y.
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Verma, R., Maheshwari, S. Erratum to: A new measure of divergence with its application to multi-criteria decision making under fuzzy environment. Neural Comput & Applic 28, 2365–2367 (2017). https://doi.org/10.1007/s00521-016-2613-0
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DOI: https://doi.org/10.1007/s00521-016-2613-0