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Euler method without for - With vectors - Сообщения
#1 Опубликовано: 24.12.2023 13:26:58
I can’t figure out how to implement Euler method for solving ODEs without a for cycle - only with vectors.
Help please.
Rocket-s-Euler-vectors.sm (28 КиБ) скачан 57 раз(а).
Help please.
Rocket-s-Euler-vectors.sm (28 КиБ) скачан 57 раз(а).
#2 Опубликовано: 24.12.2023 19:07:27
Like this:

Rocket-s-Euler-vectors_b.sm (31 КиБ) скачан 53 раз(а).
Correction: The term yb*i should just be yb.
Rocket-s-Euler-vectors_b.sm (31 КиБ) скачан 53 раз(а).
Correction: The term yb*i should just be yb.
1 пользователям понравился этот пост
Valery Ochkov 24.12.2023 19:25:00
#3 Опубликовано: 24.12.2023 19:26:31
Thanks.
But I need without the line operator!
But I need without the line operator!
#4 Опубликовано: 24.12.2023 20:22:39
Even simpler!

Rocket-s-Euler-vectors_c.sm (30 КиБ) скачан 53 раз(а).
Correction: The term vb*i should just be vb
Rocket-s-Euler-vectors_c.sm (30 КиБ) скачан 53 раз(а).
Correction: The term vb*i should just be vb
#5 Опубликовано: 24.12.2023 23:26:20
WroteI canât figure out how to implement Euler method for solving ODEs without a for cycle - only with vectors.
Help please.
Further, you would have to collect pairwise.
Euler is a poor integrator vs the yardstick rkf4 [Fehlberg].
On my test function Euler deviates up to 0.07 ... damned inaccurate !
Jean
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Valery Ochkov 25.12.2023 16:24:00
#6 Опубликовано: 25.12.2023 00:17:24
WroteWroteI canât figure out how to implement Euler method for solving ODEs without a for cycle - only with vectors.
Help please.
Further, you would have to collect pairwise.
Euler is a poor integrator vs the yardstick rkf4 [Fehlberg].
On my test function Euler deviates up to 0.07 ... damned inaccurate !
Jean
#7 Опубликовано: 25.12.2023 15:48:22
1 пользователям понравился этот пост
Davide Carpi 27.12.2023 19:53:00
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