Levi-Civita Symbol via Programming functions

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

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#1 Publicado: 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 (95,04 KiB) descargado 1232 vez(es).

Thank you for your help in anticipation

Kind Regards,

John

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

Alvaro

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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 1/12/2021 23:54:00

#3 Publicado: 29/11/2021 0:04:25

John Heidenreich

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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 Publicado: 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 Publicado: 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 Publicado: 1/12/2021 7:17:49

Johannes Piel

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Levi-civita.sm (8,47 KiB) descargado 1213 vez(es).

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

Best regards

#7 Publicado: 1/12/2021 15:22:31

Jean Giraud

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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) descargado 995 vez(es).

#8 Publicado: 2/12/2021 5:48:51

John Heidenreich

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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) descargado 995 vez(es).

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 Publicado: 2/12/2021 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 (40,18 KiB) descargado 1022 vez(es).

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