How to put information gain formula in matlab?

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Muhammad Ibrar
Muhammad Ibrar el 10 de Mzo. de 2019
Editada: Muhammad Ibrar el 14 de Mzo. de 2019
i'm trying to put the information gain technique formula in matlab but im new in this field so can anyone help me please , I attached the formula pdf file above....thanks in advance
InfoGain(t) = - sum_{i=1}^{m} Pr(c_i) log Pr(c_i)
+ Pr(t) sum{i=1}^{m} Pr(c_i|t) log Pr(c_i|t)
+ Pr(~t) sum{i=1}^{m} Pr(c_i|~t) log Pr(c_i|~t);
here error in 'sum'

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