/sci/ - Science & Math » Thread #13247133

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Anonymous Mon 07 Jun 12:04:55 2021 No.13247133 View Reply Original Report

Quoted By: >>13247151 >>13247153 >>13247162 >>13247309 >>13247317 >>13247327

tf is a cross product. How did they identify it? how does it all relate to real life

Anonymous

Anonymous Mon 07 Jun 2021 12:15:58 No.13247151 Report

Quoted By:

>>13247133
It's a determinant.

Anonymous

Anonymous Mon 07 Jun 2021 12:18:23 No.13247153 Report

Quoted By:

>>13247133
It's just the Hodge star of the wedge product of two vectors.

Anonymous

Anonymous Mon 07 Jun 2021 12:21:09 No.13247162 Report

Quoted By: >>13247219 >>13247227 >>13247244

>>13247133
say you want to calculate the square footage of your house. but there’s a twist, instead of your house being a rectangle, it’s a diamond shape. what do? use the cross product

Anonymous

Anonymous Mon 07 Jun 2021 12:21:46 No.13247164 Report

Quoted By:

Its the "multiplication" associated with the Grobbler-Ring unique to each Notherian Vector space

Anonymous

Anonymous Mon 07 Jun 2021 12:46:33 No.13247219 Report

Quoted By:

>>13247162
Or make 2 triangles?

Anonymous

Anonymous Mon 07 Jun 2021 12:51:01 No.13247227 Report

Quoted By: >>13247237

>>13247162
A diamond shape is just a rotated square, you don't need to use a cross product, just measure as usual

Anonymous

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Anonymous Mon 07 Jun 2021 12:55:30 No.13247237 Report

Quoted By: >>13247252 >>13247279

>>13247227

Anonymous

Anonymous Mon 07 Jun 2021 13:02:35 No.13247244 Report

Quoted By:

>>13247162
A measuring tape and triangles.

Anonymous

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Anonymous Mon 07 Jun 2021 13:06:14 No.13247252 Report

Quoted By:

>>13247237

Anonymous

Anonymous Mon 07 Jun 2021 13:17:04 No.13247279 Report

Quoted By:

>>13247237
Just apply linear transformation to your house that streches and rotates it so its a square
Then take the area of the square and multiply it with the determinant of the transform and you have the real are of your house

Anonymous

Anonymous Mon 07 Jun 2021 13:27:23 No.13247309 Report

Quoted By:

>>13247133
>How did they identify it
jesus got a hard-on while crucified

Anonymous

Anonymous Mon 07 Jun 2021 13:29:24 No.13247317 Report

Quoted By: >>13247337

>>13247133
in terms of irl usefulness, it also gives you an orthogonal vector in 3 and 7 dimensions

Anonymous

Anonymous Mon 07 Jun 2021 13:32:06 No.13247327 Report

Quoted By:

>>13247133
I've used cross product for relating two selected vectors form many vectors.

Anonymous

Anonymous Mon 07 Jun 2021 13:36:12 No.13247337 Report

Quoted By:

>>13247317
>in terms of irl usefulness, it also gives you an orthogonal vector in 3 and 7 dimensions
what about 15 dimensions tho

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