In which, λo could be the Original attractiveness of firefly (at x = 0). The firefly Xi and Xj distance is expressed with regards to Euclidean length as follows: Testing more than one parameter at the same time can help you may have an all-in-1 Option with laboratory quality outcomes. https://resilience66654.oblogation.com/31106006/5-simple-techniques-for-soil-resistivity-testing-solutions-bangladesh