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18-Opal
April 10, 2024
Solved

IMPLEMENT SUBSTITUTION

  • April 10, 2024
  • 3 replies
  • 1422 views

I tried using symbolic to implement without success. Any hints on how I can implement this. and later use Laplace transformation?

ppal_0-1712721871351.png

ppal_0-1712723790108.png

 

Best answer by Werner_E

I added units and played around with Prime 9 new symbolic ODE solver.

It is not able to give a solution for a generic function E(t) but we have to define E(t) before we solve.

Nice, nonetheless.

Werner_E_0-1712769708575.png

 

3 replies

19-Tanzanite
April 10, 2024

This like substitution seems to not work in this case:

Cornel_0-1712732311404.png

Only manually if you make the substitution,..

Cornel_0-1712736707912.png

 

Cornel_1-1712736714843.png

 

Cornel_2-1712736724261.png

 

Cornel_4-1712736775997.png

 

21-Topaz II
April 10, 2024

With the "substitute" operator you can do this for example:

ppal.png

25-Diamond I
April 10, 2024

It seems to work defining an intermediate function for the derivative

Werner_E_0-1712746751212.png

Werner_E_1-1712746764899.png

Werner_E_2-1712746844895.png

Werner_E_4-1712747071221.png

 

 

Werner_E_5-1712747096066.png

 

 

 

Werner_E25-Diamond IAnswer
25-Diamond I
April 10, 2024

I added units and played around with Prime 9 new symbolic ODE solver.

It is not able to give a solution for a generic function E(t) but we have to define E(t) before we solve.

Nice, nonetheless.

Werner_E_0-1712769708575.png