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(48G 49G 50G) Runge-Kutta Diff Eqn solver
06-08-2021, 06:22 AM
Post: #9
RE: 48G-50G Runge-Kutta Diff Eqn solver
I tried it ;-)
It helps if you know that equations are really stored as programs.

As for RKF: it works if you store your program in a variable. Since it is already in EQ, that's what I used. So, for the above problem:

0. 't' STO ( t0 )
[ 1000. 0. ] 'U' STO ( U0 )
{ t U EQ }
0.001 (accepting default stepsize )
3. (or anything, tn)
RKF

Cheers, Werner
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RE: 48G-50G Runge-Kutta Diff Eqn solver - Werner - 06-08-2021 06:22 AM



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