deletions | additions       diff --git a/Finally_with_the_effective_index__.tex b/Finally_with_the_effective_index__.tex  index fd42fd4..5ee5f4e 100644  --- a/Finally_with_the_effective_index__.tex  +++ b/Finally_with_the_effective_index__.tex 
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$n_{eff} = 1.77031 - 1.24432(\lambda - 1.55) + 1.92466(\lambda - 1.55)^2$  \end{center}     In the following sections, the responses of some MZI designs will be obtained.