20 citations · 28 across the 11 of their papers we have counts for
Showing 2007 · math.HOShow all
2 papers · 2 filters
math.HO2007
Verhulst's logistic curve
David M. Bradley
We observe that the elementary logistic differential equation dP/dt=(1-P/M)kP may be solved by first changing the variable to R=(M-P)/P. This reduces the logistic differential equa…
math.HO2007
The Harmonic Series and the nth Term Test for Divergence
David M. Bradley
The divergence of the harmonic series is proved by direct comparison with a series whose nth partial sum telescopes to the natural logarithm of n. The key idea is to apply the clas…