$1\,/\,[1+e^{-(u+62)\,/\,6}]$ | and | $4e^{(u+90)/12}\,/\,[1+e^{-(u+62)\,/\,6}]$ |
to the new expressions: | ||
$0.25\;e^{-(u+90)/12}$ | and | $0.25\;e^{(u+62)/6}/e^{(u+90)/12}$ |
(thanks to Ehsan Mirzakhalili and Homero Barrocas Soares Esmeraldo) |
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