# Ratio m, n, cancer cells

1. Jul 12, 2005

### Purgum

If a tumor cell grows with rate m, and dies with rate n (m>n), their population number is P, after tme t, how can set up a mathematical fomuler for growth ? If i also have data from 100 patients, is it useful ?
Thanks

2. Jul 12, 2005

### quetzalcoatl9

the logistic equation:

http://en.wikipedia.org/wiki/Logistic_function