1. 

   James123 Member

   How does it use the result ‘ A = P’(0) ‘ ?
   
   I thought P’(t) = A * P(t)’ ?

    

   James123, Sep 29, 2023

   #1
2. 

   Andrew Martin ActEd Tutor Staff Member

   Hi James
   
   P(0) is the identity matrix. So, using your second equation, \( P'(t) |_{t=0} = A * P(0) = A \).
   
   Hope this helps!
   
   Andy

    

   Andrew Martin, Oct 1, 2023

   #2

   James123 likes this.

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