Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Nc'(t) = Nc(t)*Kgr- dc*Nc(t)*Ni(t), Ni'(t) = ai*Nc(t) - di*Ni(t)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
