Levi-Civita Symbol via Programming functions

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

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#1 Pubblicato: 28/11/2021 18:31:36

5 apprezzamenti in 67 post.

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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 (95,04 KiB) scaricato 1234 volta(e).

Thank you for your help in anticipation

Kind Regards,

John

#2 Pubblicato: 28/11/2021 20:16:51

Alvaro

1.139 apprezzamenti in 1.805 post.

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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.

1 utenti hanno apprezzato questo post

Oscar Campo 01/12/2021 23:54:00

#3 Pubblicato: 29/11/2021 00:04:25

John Heidenreich

5 apprezzamenti in 67 post.

Gruppo: User

Wrote
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 Pubblicato: 30/11/2021 12:12:24

Johannes Piel

2 apprezzamenti in 20 post.

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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 Pubblicato: 30/11/2021 18:33:30

John Heidenreich

5 apprezzamenti in 67 post.

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Wrote
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 Pubblicato: 01/12/2021 07:17:49

Johannes Piel

2 apprezzamenti in 20 post.

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Levi-civita.sm (8,47 KiB) scaricato 1217 volta(e).

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

Best regards

#7 Pubblicato: 01/12/2021 15:22:31

Jean Giraud

983 apprezzamenti in 6.866 post.

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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 (12,48 KiB) scaricato 999 volta(e).

#8 Pubblicato: 02/12/2021 05:48:51

John Heidenreich

5 apprezzamenti in 67 post.

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Wrote

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 (12,48 KiB) scaricato 999 volta(e).

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 Pubblicato: 02/12/2021 10:06:11

Jean Giraud

983 apprezzamenti in 6.866 post.

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Wrote
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 (40,18 KiB) scaricato 1028 volta(e).

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