# Converting ODE into Characteristic Form

#### Phylox

##### New member
Hi,

i am trying to convert this ODE into characteristic form but i'm having problems after expanding the expression. Please advice.

View attachment 10914

Last edited:

#### Phylox

##### New member
Here's where i got stuck!

Is that the most simplified version for each coefficient?

#### Denis

##### Senior Member
Yikes! All yours Jomo...