Levi-Civita Symbol via Programming functions

#1 Опубликовано: 28.11.2021 18:31:36

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I have a symbol that nearly works for all cases. At the moment I am not sure how to get the first IF statement to work.

Levi-Civita Symbol_try.sm (95 КиБ) скачан 27 раз(а).

Thank you for your help in anticipation

Kind Regards,

John

#2 Опубликовано: 28.11.2021 20:16:51

Alvaro Diaz Falconi

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Hi. The "E" in the first if isn't the same "E" than the others. You can see that looking that the bakground isn't gray, like in all others.

Best regards.
Alvaro.

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Oscar Campo 01.12.2021 23:54:00

#3 Опубликовано: 29.11.2021 00:04:25

John Heidenreich

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Hi. The "E" in the first if isn't the same "E" than the others. You can see that looking that the bakground isn't gray, like in all others.

That fixed it Alvaro! ...

#4 Опубликовано: 30.11.2021 12:12:24

Johannes Piel

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Hi John,

I did the same thing a few days ago, typing in a few less letters if you need it....

#5 Опубликовано: 30.11.2021 18:33:30

John Heidenreich

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Hi John,

I did the same thing a few days ago, typing in a few less letters if you need it....

Your solution is more efficient than mine Jopi, yes please post your code,

thank you,

Kind Regards, John

#6 Опубликовано: 01.12.2021 07:17:49

Johannes Piel

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Levi-civita.sm (8 КиБ) скачан 37 раз(а).

Does anyone know how to summarize the result into a single vector?

Best regards

#7 Опубликовано: 01.12.2021 15:22:31

Jean Giraud

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Does anyone know how to summarize the result into a single vector?

I don't understand much in there.
As it looks your are solving Cross Product ... is it ?
Cheers ... Jean

Levi-civita [Not Sure].sm (12 КиБ) скачан 28 раз(а).

#8 Опубликовано: 02.12.2021 05:48:51

John Heidenreich

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Wrote
Does anyone know how to summarize the result into a single vector?

I don't understand much in there.
As it looks your are solving Cross Product ... is it ?
Cheers ... Jean

Levi-civita [Not Sure].sm (12 КиБ) скачан 28 раз(а).

Here is the cross product Jean and also Jopi, so you are pretty close to the money.

and here is a bit more again, this time the determinant:

Here is the wedge product i am particularly interested in, see the similarity to axb?

#9 Опубликовано: 02.12.2021 10:06:11

Jean Giraud

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Here is the cross product Jean and also Jopi, so you are pretty close to the money.

Thanks John ...more in there from lot more convivial Smath
Shitting snow today, not to scare the bear ... Jean.

Maths vminor [cofactors].sm (40 КиБ) скачан 33 раз(а).

SMath

Levi-Civita Symbol via Programming functions

Levi-Civita Symbol via Programming functions - Attempting to get first of 3 IF statements to work. - Сообщения

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Levi-Civita Symbol via Programming functions - Attempting to get first of 3 IF statements to work. - Сообщения