# Ratio m, n, cancer cells

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

## Answers and Replies

quetzalcoatl9
Purgum said:
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

the logistic equation:

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