- #1
roadworx
- 21
- 0
Hi,
I have the following equation:
[tex]\Theta = log \left(\frac{\Pi}{1-\Pi}\right) [/tex]
I want to re-arrange it for [tex]\Pi[/tex]
Here's my attempt:
[tex]\Theta = log \left( \frac{\Pi}{1-\Pi}\right) [/tex]
[tex]\Theta = log \left( \Pi \right) - log \left(1-\Pi \right) [/tex]
[tex]exp^{\Theta} = \Pi - (1-\Pi) [/tex]
[tex]exp^{\Theta} = 2\Pi - 1 [/tex]
[tex]1 + exp^{\Theta} = 2\Pi[/tex]
[tex] \Pi = \frac{1 + exp^{\Theta}}{2} [/tex]
The answer should be
[tex] \Pi = \frac{exp^{\Theta}}{1+exp^{\Theta}} [/tex]
Any idea where I'm going wrong?
I have the following equation:
[tex]\Theta = log \left(\frac{\Pi}{1-\Pi}\right) [/tex]
I want to re-arrange it for [tex]\Pi[/tex]
Here's my attempt:
[tex]\Theta = log \left( \frac{\Pi}{1-\Pi}\right) [/tex]
[tex]\Theta = log \left( \Pi \right) - log \left(1-\Pi \right) [/tex]
[tex]exp^{\Theta} = \Pi - (1-\Pi) [/tex]
[tex]exp^{\Theta} = 2\Pi - 1 [/tex]
[tex]1 + exp^{\Theta} = 2\Pi[/tex]
[tex] \Pi = \frac{1 + exp^{\Theta}}{2} [/tex]
The answer should be
[tex] \Pi = \frac{exp^{\Theta}}{1+exp^{\Theta}} [/tex]
Any idea where I'm going wrong?